Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Other Intangibles, Net (Schedule Of Customer Relationships And Tradename And Other Intangible Assets And Related Accumulated Amortization) (Details)

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Other Intangibles, Net (Schedule Of Customer Relationships And Tradename And Other Intangible Assets And Related Accumulated Amortization) (Details) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]    
Gross carrying amount $ 400,000 $ 416,465
Accumulated amortization (82,012) (52,328)
Finite-lived intangible assets 317,988 364,137
Customer Relationships, Net [Member]    
Finite-Lived Intangible Assets [Line Items]    
Gross carrying amount 360,000 360,000
Accumulated amortization (55,706) (34,529)
Finite-lived intangible assets 304,294 325,471
Tradename And Other Intangible Assets [Member]    
Finite-Lived Intangible Assets [Line Items]    
Gross carrying amount 40,000 56,465
Accumulated amortization (26,306) (17,799)
Finite-lived intangible assets $ 13,694 $ 38,666