Goodwill and Other Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2014

Goodwill and Other Intangible Assets

Summary of the Company's amortizable intangible assets

	September 30, 2014				December 31, 2013
	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Customer relationships	$	273,500	$	85,300	$	202,300	$	69,800
Proprietary technology	53,600		25,400		52,300		22,400
License agreements	6,000		6,000		6,000		6,000
Trade names and other	18,300		11,100		11,400		8,900
Total	$	351,400	$	127,800	$	272,000	$	107,100