CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) [Abstract]
Net loss	$ (65,893)	$ (16,176)	$ (25,000)	$ (212,048)
Other comprehensive income (loss), net of tax
Net gain (loss) from foreign currency translation	101,210	(37,369)	194,094	124,522
Retirement and postretirement benefit plans	2,396	2,515	7,169	7,544
Deferred loss on interest rate hedges reclassified to interest expense	482	482	1,445	1,445
Other comprehensive income (loss)	104,088	(34,372)	202,708	133,511
COMPREHENSIVE INCOME (LOSS)	$ 38,195	$ (50,548)	$ 177,708	$ (78,537)