Accumulated Other Comprehensive (Loss) Income (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at	$ (16,926)
Balance at	(13,788)
Balance at	(1,510)
Balance at	(1,487)
Balance at	(15,416)
Other comprehensive income (loss), net of tax	3,115	$ (3,618)
Balance at	(12,301)
Accumulated Translation Adjustment
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at	(12,793)
Other comprehensive income adjustments	3,078
Balance at	(9,715)
Other comprehensive income (loss), net of tax	3,078
Accumulated Defined Benefit Plans Adjustment
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Other comprehensive income adjustments	60
Other comprehensive income (loss), tax	23
Other comprehensive income (loss), net of tax	37
Minimum Pension Liability Adjustment | Accumulated Defined Benefit Plans Adjustment
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at	118
Other comprehensive income adjustments	(2)
Balance at	116
Postretirement Health Coverage | Accumulated Defined Benefit Plans Adjustment
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at	(4,251)
Other comprehensive income adjustments	62
Balance at	$ (4,189)