CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017		Mar. 31, 2016
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) [Abstract]
Net income (loss)	$ 58,464		$ (198,802)
Other comprehensive income, net of tax
Net gain from foreign currency translation	22,664		148,669
Retirement and postretirement benefit plans	2,387		2,516
Deferred loss on interest rate hedges reclassified to interest expense	482		482
Other comprehensive income	25,533	[1]	151,667
COMPREHENSIVE INCOME (LOSS)	$ 83,997		$ (47,135)

[1] All amounts are presented net of income taxes.