Retirement Plans And Postretirement Benefits (Pension Plans With Projected Benefit Obligation In Excess Of Plan Assets) (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Retirement Plans [Member] | U.S. [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 93,897	$ 99,454
Retirement Plans [Member] | Foreign [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	11,293	77,728
Predecessor [Member] | Retirement Plans [Member] | U.S. [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		99,454	$ 90,875
Predecessor [Member] | Retirement Plans [Member] | Foreign [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		77,728	$ 72,685
Successor [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	11,293
Successor [Member] | Retirement Plans [Member] | U.S. [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 93,897	97,473
Successor [Member] | Retirement Plans [Member] | Foreign [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		$ 12,811