Consolidated Statements of (Loss) Income and Comprehensive (Loss) Income (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Statement of Comprehensive Income [Abstract]
Income from discontinued operations, income tax expense	$ 0	$ 0		$ 21,231
Foreign currency translation adjustment, income tax benefit	429	0	$ 1,581	0
Cash flow hedges, income tax benefit (expense)	185	1,170	1,687	1,270
Amortization of pension and postretirement plans, income tax expense	$ 66	$ 150	$ 404	$ 37,025