Goodwill and Other Intangible Assets - Amortization of Intangibles (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, amortization expense	$ 10,435	$ 12,002	$ 8,402
Finite-Lived Intangible Assets, Future Amortization Expense [Abstract]
2016 expected amortization	8,899
2017 expected amortization	6,866
2018 expected amortization	5,611
2019 expected amortization	5,032
2020 expected amortization	3,998
Expected amortization thereafter	5,537
Finite-lived intangible assets, net	35,943	54,111
Patents, trademarks and other [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, amortization expense	4,265	5,965	3,553
Finite-Lived Intangible Assets, Future Amortization Expense [Abstract]
2016 expected amortization	3,250
2017 expected amortization	3,041
2018 expected amortization	1,932
2019 expected amortization	1,844
2020 expected amortization	1,076
Expected amortization thereafter	0
Finite-lived intangible assets, net	11,143	12,528
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, amortization expense	2,675	2,317	2,376
Finite-Lived Intangible Assets, Future Amortization Expense [Abstract]
2016 expected amortization	2,681
2017 expected amortization	2,335
2018 expected amortization	2,319
2019 expected amortization	1,828
2020 expected amortization	1,562
Expected amortization thereafter	2,437
Finite-lived intangible assets, net	13,162	15,876
Developed Technology Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, amortization expense	3,495	3,720	2,327
Finite-Lived Intangible Assets, Future Amortization Expense [Abstract]
2016 expected amortization	2,968
2017 expected amortization	1,490
2018 expected amortization	1,360
2019 expected amortization	1,360
2020 expected amortization	1,360
Expected amortization thereafter	3,100
Finite-lived intangible assets, net	$ 11,638	25,707
Note issuance costs [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	7 years
Finite-lived intangible assets, amortization expense	$ 0	0	$ 146
Finite-Lived Intangible Assets, Future Amortization Expense [Abstract]
Finite-lived intangible assets, net	$ 0	$ 0
Minimum [Member] | Patents, trademarks and other [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	2 years
Minimum [Member] | Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	5 years
Minimum [Member] | Developed Technology Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	5 years 6 months
Maximum [Member] | Patents, trademarks and other [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	10 years
Maximum [Member] | Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	10 years
Maximum [Member] | Developed Technology Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	10 years