Stockholders' Equity Stockholders' Equity (Details) - Changes in AOCI by Component (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	$ 8,345	[1]	$ 5,968	[1]
Change in AOCI before reclassifications to income	(32,028)	[1]	(51)	[1]
Reclassifications from AOCI to income during the period	2,513	[1],[2],[3]	2,428	[1],[2],[3]
Other comprehensive (loss) income, net of tax	(29,515)	[1]	2,377	[1]	175
Ending balance	(21,170)	[1]	8,345	[1]	5,968	[1]
Interest Rate Swap
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	(3,903)	[1]	(6,010)	[1]
Change in AOCI before reclassifications to income	(292)	[1]	(297)	[1]
Reclassifications from AOCI to income during the period	2,455	[1],[2],[3]	2,404	[1],[2],[3]
Other comprehensive (loss) income, net of tax	2,163	[1]	2,107	[1]
Ending balance	(1,740)	[1]	(3,903)	[1]
Defined Benefit Pension Plans
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	(1,811)	[1]	(1,578)	[1]
Change in AOCI before reclassifications to income	(4,275)	[1]	(257)	[1]
Reclassifications from AOCI to income during the period	58	[1],[2],[3]	24	[1],[2],[3]
Other comprehensive (loss) income, net of tax	(4,217)	[1]	(233)	[1]
Ending balance	(6,028)	[1]	(1,811)	[1]
Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	14,059	[1]	13,556	[1]
Change in AOCI before reclassifications to income	(27,461)	[1]	503	[1]
Reclassifications from AOCI to income during the period	0	[1],[2],[3]	0	[1],[2],[3]
Other comprehensive (loss) income, net of tax	(27,461)	[1]	503	[1]
Ending balance	$ (13,402)	[1]	$ 14,059	[1]

[1] Amounts in parentheses represent debits (deferred losses).

[2] The reclassifications related to the interest rate swap (cash flow hedge) were recorded in Interest expense, net of tax effect. See Note 11 – Derivatives and Hedging for information regarding the hedge.

[3] The reclassifications related to defined benefit pension plans were recorded in Selling, general and administrative expense, net of tax effect. See Note 13 – Employee Benefits for information regarding the Company’s defined benefit pension plans.