Acquisitions - Narrative (Detail) - USD ($)					3 Months Ended
	Nov. 30, 2015	Aug. 14, 2015	Feb. 03, 2015	Oct. 01, 2014	Dec. 31, 2015	Dec. 31, 2014
Business Acquisition [Line Items]
Amortization of acquired intangible assets					$ 3,500,000	$ 3,200,000
Income tax benefit					(3,370,000)	(3,110,000)
Restructuring charges					1,500,000	2,700,000
Acquisition, net of cash acquired					125,498,000	15,428,000
BioStorage Technologies, Inc.
Business Acquisition [Line Items]
Escrow Deposit	$ 5,400,000
Percentage of voting interests acquired	100.00%
Total purchase price, net of cash acquired	$ 125,498,000
Payments to acquire businesses	130,700,000
Cash acquired	2,800,000
Repayment of sellers' debt	3,200,000
Acquisition related costs	2,900,000				2,900,000	2,900,000
Escrow deposit for acquiree's warranties and other indemnities	1,900,000
Escrow deposit for potential purchase price adjustments	1,000,000
Escrow deposit for acquiree's employees retention obligations	2,500,000
Actual revenues					6,500,000
Actual net earnings (loss)					(600,000)
Inventory Step Up					100,000
Amortization of acquired intangible assets					300,000
Restructuring charges						800,000
Acquisition, net of cash acquired	128,000,000
Debt assumed	385,000
Escrow reserve	$ 2,900,000
BioStorage Technologies, Inc. | Trademarks
Business Acquisition [Line Items]
Useful life of intangible assets acquired	8 years
BioStorage Technologies, Inc. | Customer Relationships
Business Acquisition [Line Items]
Useful life of intangible assets acquired	11 years
Contact Co., Ltd
Business Acquisition [Line Items]
Payments to acquire businesses		$ 1,900,000
Cash acquired		4,800,000
Escrow deposit for potential purchase price adjustments					750,000
Actual revenues					700,000
Actual net earnings (loss)					(500,000)
Inventory Step Up					100,000
Amortization of acquired intangible assets					200,000
Acquisition, net of cash acquired		6,834,000
Debt assumed		8,800,000
Contingent consideration		$ 800,000			700,000
Measurement period adjustment					(1,100,000)
Change in amount of contingent consideration liability					(100,000)
Escrow reserve					1,500,000
Escrow deposit for third-party arrangements termination					750,000
Contact Co., Ltd | Completed Technology
Business Acquisition [Line Items]
Useful life of intangible assets acquired		5 years
FluidX
Business Acquisition [Line Items]
Acquisition related costs						300,000
Actual revenues					3,800,000	3,600,000
Actual net earnings (loss)					(100,000)	(500,000)
Amortization of acquired intangible assets					300,000	300,000
Acquisition, net of cash acquired				$ 15,505,000
Escrow reserve					1,500,000
Adjustment to equity interests			$ 100,000
FluidX | Completed Technology
Business Acquisition [Line Items]
Useful life of intangible assets acquired				5 years
FluidX | Trademarks
Business Acquisition [Line Items]
Useful life of intangible assets acquired				5 years
FluidX | Customer Relationships
Business Acquisition [Line Items]
Useful life of intangible assets acquired				5 years
Pro Forma | BioStorage Technologies, Inc.
Business Acquisition [Line Items]
Amortization					500,000	700,000
Income tax benefit					$ 500,000	$ 1,300,000