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assets acquired and liabilities 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purposes.","units":{"USD":[{"end":"2011-06-30","val":5241000,"accn":"0001193125-11-211703","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-05","frame":"CY2011Q2I"},{"end":"2011-09-30","val":5241000,"accn":"0000950123-11-095421","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-04","frame":"CY2011Q3I"},{"end":"2011-12-31","val":5241000,"accn":"0001193125-12-078110","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-24","frame":"CY2011Q4I"},{"end":"2012-03-31","val":5241000,"accn":"0001193125-12-208891","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-03","frame":"CY2012Q1I"},{"end":"2012-06-30","val":5241000,"accn":"0001193125-12-331166","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-02","frame":"CY2012Q2I"},{"end":"2012-09-30","val":5241000,"accn":"0001193125-12-446431","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-01","frame":"CY2012Q3I"}]}},"BusinessAcquisitionPurchasePriceAllocationNoncurrentLiabilities":{"label":"Business Acquisition, Purchase Price Allocation, 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2013-01-31)","description":"The amount of acquisition cost of a business combination allocated to property, plant and equipment to be used in ongoing operations.","units":{"USD":[{"end":"2012-12-31","val":9682000,"accn":"0001193125-14-060904","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2012Q4I"},{"end":"2012-12-31","val":9682000,"accn":"0001193125-13-420677","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-31"},{"end":"2012-12-31","val":9682000,"accn":"0001193125-13-314658","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-01"},{"end":"2012-12-31","val":9682000,"accn":"0001193125-13-195672","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-02"},{"end":"2012-12-31","val":9862000,"accn":"0001193125-13-071754","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-22"},{"end":"2013-09-30","val":153000,"accn":"0001193125-13-420677","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-10-31","frame":"CY2013Q3I"},{"end":"2013-12-31","val":153000,"accn":"0001193125-14-060904","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-20","frame":"CY2013Q4I"},{"end":"2014-03-31","val":153000,"accn":"0001193125-14-179017","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-02","frame":"CY2014Q1I"}]}},"BusinessCombinationAcquisitionRelatedCosts":{"label":"Business 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Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position","description":"Amount of asset (liability), recognized in statement of financial position, for defined benefit pension and other postretirement 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