Other Intangible Assets - Schedule of Other Intangible Assets (Details) (USD $)	Jun. 30, 2013	Dec. 31, 2012
Finite and Indefinite Lived Intangible Assets [Line Items]
Finite-lived intangible assets, cost	$ 81,826,000	$ 36,409,000
Finite-lived intangible assets, accumulated amortization	13,742,000	12,243,000
Total other intangibles assets	93,456,000	36,409,000
Other intangible assets, net	79,714,000	24,166,000
Acquired Intangible Assets [Member]
Finite and Indefinite Lived Intangible Assets [Line Items]
Finite-lived intangible assets, cost	79,518,000	35,119,000
Finite-lived intangible assets, accumulated amortization	12,528,000	11,058,000
Patents and technology [Member]
Finite and Indefinite Lived Intangible Assets [Line Items]
Finite-lived intangible assets, cost	18,403,000	4,314,000
Finite-lived intangible assets, accumulated amortization	1,957,000	1,654,000
Increase in finite lived intangible assets	14,100,000
Customer Lists [Member]
Finite and Indefinite Lived Intangible Assets [Line Items]
Finite-lived intangible assets, cost	52,607,000	23,337,000
Finite-lived intangible assets, accumulated amortization	7,606,000	6,688,000
Increase in finite lived intangible assets	29,300,000
Noncompete Agreements [Member]
Finite and Indefinite Lived Intangible Assets [Line Items]
Finite-lived intangible assets, cost	402,000	402,000
Finite-lived intangible assets, accumulated amortization	402,000	402,000
Trademarks and brand names [Member]
Finite and Indefinite Lived Intangible Assets [Line Items]
Finite-lived intangible assets, cost	7,191,000	6,151,000
Finite-lived intangible assets, accumulated amortization	1,725,000	1,513,000
Increase in finite lived intangible assets	1,000,000
Other Intangible Assets [Member]
Finite and Indefinite Lived Intangible Assets [Line Items]
Finite-lived intangible assets, cost	915,000	915,000
Finite-lived intangible assets, accumulated amortization	838,000	801,000
Deferred Financing Costs [Member]
Finite and Indefinite Lived Intangible Assets [Line Items]
Finite-lived intangible assets, cost	2,308,000	1,290,000
Finite-lived intangible assets, accumulated amortization	1,214,000	1,185,000
Trademarks and brand names [Member]
Finite and Indefinite Lived Intangible Assets [Line Items]
Indefinite-lived intangible assets	11,630,000	0
Increase in indefinite lived intangible assets	$ 11,600,000