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Per Share, Diluted, Undistributed","description":"The earnings attributable to each security on the basis that all of the earnings for the period had been distributed (to the extent that each security may share in earnings). 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period.","units":{"USD/shares":[{"start":"2009-01-01","end":"2009-12-31","val":1.5,"accn":"0000031978-12-000015","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-27","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":2.31,"accn":"0000031978-12-000015","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-27"},{"start":"2010-01-01","end":"2010-12-31","val":2.31,"accn":"0000031978-13-000005","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-25","frame":"CY2010"},{"start":"2010-04-01","end":"2011-03-31","val":2.22,"accn":"0000031978-12-000035","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-04"},{"start":"2011-01-01","end":"2011-03-31","val":0.16,"accn":"0000031978-12-000035","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-04","frame":"CY2011Q1"},{"start":"2010-07-01","end":"2011-06-30","val":2.29,"accn":"0000031978-12-000048","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-03"},{"start":"2011-01-01","end":"2011-06-30","val":0.72,"accn":"0000031978-12-000048","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-03"},{"start":"2011-04-01","end":"2011-06-30","val":0.56,"accn":"0000031978-12-000048","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-03","frame":"CY2011Q2"},{"start":"2010-10-01","end":"2011-09-30","val":2.05,"accn":"0000031978-12-000063","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-02"},{"start":"2011-01-01","end":"2011-09-30","val":1.88,"accn":"0000031978-12-000063","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-02"},{"start":"2011-07-01","end":"2011-09-30","val":1.18,"accn":"0000031978-12-000063","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-02","frame":"CY2011Q3"},{"start":"2011-01-01","end":"2011-12-31","val":1.82,"accn":"0000031978-12-000015","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-27"},{"start":"2011-01-01","end":"2011-12-31","val":1.82,"accn":"0000031978-13-000005","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-25"},{"start":"2011-01-01","end":"2011-12-31","val":1.82,"accn":"0000031978-14-000006","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-26","frame":"CY2011"},{"start":"2011-04-01","end":"2012-03-31","val":1.55,"accn":"0000031978-12-000035","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-04"},{"start":"2011-04-01","end":"2012-03-31","val":1.55,"accn":"0000031978-13-000014","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-08"},{"start":"2012-01-01","end":"2012-03-31","val":-0.14,"accn":"0000031978-12-000035","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-04"},{"start":"2012-01-01","end":"2012-03-31","val":-0.14,"accn":"0000031978-13-000014","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-08","frame":"CY2012Q1"},{"start":"2011-07-01","end":"2012-06-30","val":1.5,"accn":"0000031978-12-000048","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-03"},{"start":"2011-07-01","end":"2012-06-30","val":1.5,"accn":"0000031978-13-000023","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-06"},{"start":"2012-01-01","end":"2012-06-30","val":0.38,"accn":"0000031978-12-000048","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-03"},{"start":"2012-01-01","end":"2012-06-30","val":0.38,"accn":"0000031978-13-000023","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-06"},{"start":"2012-04-01","end":"2012-06-30","val":0.52,"accn":"0000031978-12-000048","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-03"},{"start":"2012-04-01","end":"2012-06-30","val":0.52,"accn":"0000031978-13-000023","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-06","frame":"CY2012Q2"},{"start":"2011-10-01","end":"2012-09-30","val":1.33,"accn":"0000031978-12-000063","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-02"},{"start":"2011-10-01","end":"2012-09-30","val":1.33,"accn":"0000031978-13-000036","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-07"},{"start":"2012-01-01","end":"2012-09-30","val":1.42,"accn":"0000031978-12-000063","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-02"},{"start":"2012-01-01","end":"2012-09-30","val":1.42,"accn":"0000031978-13-000036","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-07"},{"start":"2012-07-01","end":"2012-09-30","val":1.04,"accn":"0000031978-12-000063","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-02"},{"start":"2012-07-01","end":"2012-09-30","val":1.04,"accn":"0000031978-13-000036","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-07","frame":"CY2012Q3"},{"start":"2012-01-01","end":"2012-12-31","val":1.29,"accn":"0000031978-13-000005","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-25"},{"start":"2012-01-01","end":"2012-12-31","val":1.29,"accn":"0000031978-14-000006","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-26"},{"start":"2012-01-01","end":"2012-12-31","val":1.29,"accn":"0000031978-15-000019","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"},{"start":"2012-04-01","end":"2013-03-31","val":1.37,"accn":"0000031978-13-000014","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-08"},{"start":"2012-04-01","end":"2013-03-31","val":1.37,"accn":"0000031978-14-000013","fy":2014,"fp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Y","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":111484000,"accn":"0000031978-15-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-07"},{"end":"2014-12-31","val":111484000,"accn":"0000031978-15-000041","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":111484000,"accn":"0000031978-15-000051","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":111484000,"accn":"0000031978-16-000064","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-03-31","val":111660000,"accn":"0000031978-15-000026","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-07","frame":"CY2015Q1I"},{"end":"2015-06-30","val":115049000,"accn":"0000031978-15-000041","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":112827000,"accn":"0000031978-15-000051","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":115251000,"accn":"0000031978-16-000064","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":115251000,"accn":"0000031978-16-000078","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":115251000,"accn":"0000031978-16-000099","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":115251000,"accn":"0000031978-16-000112","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04"},{"end":"2015-12-31","val":115251000,"accn":"0000031978-17-000010","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-24","frame":"CY2015Q4I"},{"end":"2016-03-31","val":116131000,"accn":"0000031978-16-000078","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":116379000,"accn":"0000031978-16-000099","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":116098000,"accn":"0000031978-16-000112","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"},{"end":"2016-12-31","val":119240000,"accn":"0000031978-17-000010","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-24"},{"end":"2016-12-31","val":119240000,"accn":"0000031978-17-000018","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"end":"2016-12-31","val":119240000,"accn":"0000031978-17-000033","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"end":"2016-12-31","val":119240000,"accn":"0000031978-17-000044","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03"},{"end":"2016-12-31","val":119240000,"accn":"0000031978-18-000011","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-28","frame":"CY2016Q4I"},{"end":"2017-03-31","val":120310000,"accn":"0000031978-17-000018","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2017Q1I"},{"end":"2017-06-30","val":121488000,"accn":"0000031978-17-000033","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04","frame":"CY2017Q2I"},{"end":"2017-09-30","val":122434000,"accn":"0000031978-17-000044","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-03","frame":"CY2017Q3I"},{"end":"2017-12-31","val":120458000,"accn":"0000031978-18-000011","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-28"},{"end":"2017-12-31","val":120458000,"accn":"0000031978-18-000021","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"end":"2017-12-31","val":120458000,"accn":"0000031978-18-000043","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-03"},{"end":"2017-12-31","val":120458000,"accn":"0000031978-18-000049","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-02"},{"end":"2017-12-31","val":120458000,"accn":"0000031978-19-000008","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":120549000,"accn":"0000031978-18-000021","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":122195000,"accn":"0000031978-18-000043","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-03","frame":"CY2018Q2I"},{"end":"2018-09-30","val":123151000,"accn":"0000031978-18-000049","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-02","frame":"CY2018Q3I"},{"end":"2018-12-31","val":125577000,"accn":"0000031978-19-000008","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":125577000,"accn":"0000031978-19-000019","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":125577000,"accn":"0000031978-19-000032","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-07"},{"end":"2018-12-31","val":125577000,"accn":"0000031978-19-000049","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"end":"2018-12-31","val":125577000,"accn":"0000031978-20-000006","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":125853000,"accn":"0000031978-19-000019","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":124844000,"accn":"0000031978-19-000032","fy":2019,"fp":"Q2","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