Acquisitions (Details) € in Thousands, $ in Thousands			2 Months Ended	3 Months Ended		9 Months Ended
	Aug. 07, 2015 EUR (€)	Aug. 07, 2015 USD ($)	Sep. 30, 2015 USD ($)	Sep. 30, 2015 USD ($)	Sep. 30, 2014 USD ($)	Sep. 30, 2015 USD ($)	Sep. 30, 2014 USD ($)	Aug. 07, 2015 USD ($)	Dec. 31, 2014 USD ($)
Business Acquisition [Line Items]
Intangible assets acquired								$ 14,770
Goodwill acquired			$ 595,131	$ 595,131		$ 595,131			$ 594,949
Net sales				$ 291,434	$ 317,659	906,949	$ 951,832
Thermoplay [Member]
Business Acquisition [Line Items]
Purchase price	€ 58,903	$ 64,608
Cash payments	56,700	62,191
Payables to seller	2,203	$ 2,416
Cash acquired	€ 17,054							18,706
Intangible assets acquired								14,770
Goodwill acquired								$ 20,249
Acquisition-related costs						$ 2,239
Net sales			$ 4,595