Consolidated Statements of Comprehensive (Loss) Income - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Consolidated Statements of Comprehensive (Loss) Income
Net loss		$ (5,982)	$ (57,422)	$ (100,810)	$ (47,773)
Other comprehensive loss, net of tax:
Foreign currency translation adjustment		(1,431)	(3,297)	(3,438)	(4,783)
Unrealized gain (loss) on cash flow hedges, net of tax expense (benefit) of $88, $(184) and $(815), $(184)		137	(294)	(1,286)	(294)
Reclassification of pension liability adjustments to earnings, net of tax expense of $38, $46 and $115, $140*	[1]	73	90	223	271
Other comprehensive loss, net of tax		(1,221)	(3,501)	(4,501)	(4,806)
Comprehensive loss		$ (7,203)	$ (60,923)	$ (105,311)	$ (52,579)

[1] Reclassifications out of accumulated other comprehensive income for pension obligations are charged to selling and administrative expense.