Business Combinations (Details)			0 Months Ended		12 Months Ended		0 Months Ended	12 Months Ended	0 Months Ended					0 Months Ended	3 Months Ended	12 Months Ended	0 Months Ended	12 Months Ended				0 Months Ended			3 Months Ended		15 Months Ended	0 Months Ended
	Dec. 31, 2013 USD ($)	Dec. 31, 2012 USD ($)	Dec. 09, 2013 Qumas acquisition USD ($)	Sep. 03, 2013 ChemSW Acquisition USD ($)	Dec. 31, 2013 ChemSW Acquisition	Sep. 03, 2013 ChemSW Acquisition Contingent Compensation	Sep. 03, 2013 ChemSW Acquisition Contingent Compensation Maximum USD ($)	Dec. 31, 2013 ChemSW Acquisition Contingent Compensation Business consolidation, transaction and restructuring costs USD ($)	Jan. 12, 2013 Vialis AG Acquisition USD ($)	Dec. 31, 2012 Vialis AG Acquisition USD ($)	Dec. 31, 2012 Vialis AG Acquisition CHF	Jan. 10, 2013 Vialis AG Acquisition USD ($)	Sep. 30, 2013 Vialis AG Acquisition Scenario, Period Adjustment USD ($)	Jan. 12, 2013 Vialis AG Acquisition Contingent Compensation Maximum CHF	Dec. 31, 2013 Vialis AG Acquisition Contingent Compensation Business consolidation, transaction and restructuring costs USD ($)	Dec. 31, 2013 Vialis AG Acquisition Contingent Compensation Business consolidation, transaction and restructuring costs USD ($)	Oct. 23, 2012 Aegis Acquisition USD ($)	Dec. 31, 2013 Aegis Acquisition USD ($)	Dec. 31, 2013 HEOS Acquisition	Sep. 30, 2012 HEOS Acquisition USD ($)	May 17, 2012 HEOS Acquisition USD ($)	Dec. 30, 2011 VelQuest Acquisition USD ($)	Dec. 30, 2010 VelQuest Acquisition	May 19, 2011 Contur Acquisition USD ($) Former_Equity_Holder	Jun. 30, 2013 Contur Acquisition USD ($)	Jun. 30, 2012 Contur Acquisition USD ($)	Jun. 30, 2013 Contur Acquisition USD ($)	May 19, 2011 Contur Acquisition Maximum USD ($)
Business Acquisition [Line Items]
Percentage of outstanding capital acquired			100.00%	100.00%								100.00%
Cash payment			$ 51,200,000	$ 15,300,000					$ 1,300,000	$ 5,200,000	5,000,000						$ 26,100,000					$ 29,800,000		$ 10,600,000				$ 11,100,000
Escrow deposit			4,500,000	2,125,000								800,000					4,600,000					5,300,000		500,000
Tax deductible goodwill			0									0					0					0
Total consideration for net assets acquired				15,900,000					6,500,000
Period escrow will be released following the acquisition			18 months	18 months					12 months														15 months	2 years
Fair Value of Consideration Transferred			51,233,000	15,851,000								6,508,000					30,729,000				4,500,000	35,000,000
Cash and cash equivalents			3,463,000	1,076,000								1,839,000
Accounts receivable			4,384,000	522,000								1,304,000					661,000
Other assets																	311,000
Other assets			1,441,000	42,000								523,000
Property, plant and equipment			325,000	0								63,000					79,000
Intangible assets			22,240,000	10,110,000								4,510,000	1,000,000				11,840,000			700,000		10,900,000		4,400,000
Other current liabilities			(2,862,000)	(414,000)								(1,197,000)					(602,000)
Deferred revenue			(1,350,000)	(1,390,000)								(288,000)					(510,000)
Deferred tax liabilities			(796,000)									(1,056,000)					(3,566,000)
Goodwill	158,507,000	123,670,000	24,388,000	5,905,000								810,000					22,516,000			3,800,000		24,000,000		7,500,000
Goodwill tax deduction period					15 years														15 years
Measurement period adjustments to deferred tax liabilities																		3,600,000
Additional earn out consideration							2,000,000							5,000,000
Compensation retention period						2 years						3 years												2 years
Compensation expense related to the earn-out consideration								300,000							100,000	2,400,000
Measurement period adjustments													900,000
Additional consideration (up to $0.5 million)																								500,000
Payment released from escrow account																											250,000
Incremental payments from escrow																								1,000,000
Amount deposited in escrow																								2,000,000
Number of former equity holders																								6
Escrow funds released in accordance with agreement																									$ 1,000,000	$ 1,000,000