Equity Method Investments BioCision, LLC (Detail) - USD ($) $ in Thousands			2 Months Ended	3 Months Ended		12 Months Ended
	Nov. 28, 2016	Nov. 27, 2016	Nov. 28, 2016	Dec. 31, 2016	Dec. 31, 2015	Sep. 30, 2016
Schedule of Equity Method Investments [Line Items]
Equity method investments				$ 25,295		$ 27,273
Equity in earnings of equity method investments adjustment				1,942	$ 159
Non-cash consideration transferred				10,348	0
Gain on settlement of equity method investment				1,847	0
Loss on settlement of financial instruments				(231)
BioCision, LLC
Schedule of Equity Method Investments [Line Items]
Joint venture interest, percentage						20.00%
Equity method investments	$ 1,200		$ 1,200			$ 1,700
Equity in earnings of equity method investments adjustment			(500)	$ 200	(300)
Warrants aggregate fair value (less than)						$ 100
Recognized measurement gains					$ 300
Convertible Debt Securities | BioCision, LLC
Schedule of Equity Method Investments [Line Items]
Investment maturity period						5 years
Convertible debt securities						$ 5,800
Permanent Term Loan, Tranche One | BioCision, LLC
Schedule of Equity Method Investments [Line Items]
Annual interest rate (percent)				10.00%
Permanent Term Loan, Tranche One | Other Assets | BioCision, LLC
Schedule of Equity Method Investments [Line Items]
Carrying value of bridge loans						1,500
Loan receivable						$ 1,500
Other Income
Schedule of Equity Method Investments [Line Items]
Loss on settlement of financial instruments				$ 200
Other Income | BioCision, LLC
Schedule of Equity Method Investments [Line Items]
Gain on settlement of equity method investment				$ 1,800
Cool Lab, LLC
Schedule of Equity Method Investments [Line Items]
Carrying value of bridge loans	$ 1,600		$ 1,600
Net carrying value of assets transferred		$ 900
Percentage of voting interests acquired (as a percent)	100.00%		100.00%
Total purchase price, net of cash acquired	$ 15,194
Payments to acquire businesses	4,800
Liabilities incurred	100
Non-cash consideration transferred	$ 10,300
Equity interest in acquiree, percentage (as a percent)	20.00%		20.00%
Equity method investments, fair value disclosure	$ 3,100
Convertible debt securities and warrants	5,600
Term notes, fair value disclosure	1,600
Carrying value of warrant (less than)	100		$ 100
Loan receivable	1,600		1,600
Cool Lab, LLC | Convertible Debt Securities
Schedule of Equity Method Investments [Line Items]
Convertible debt securities	5,600		5,600
Significant Unobservable Inputs (Level 3) | Cool Lab, LLC
Schedule of Equity Method Investments [Line Items]
Stock warrant, fair value (less than $0.1 million)	100		100
Loans receivable, fair value disclosure	1,600		1,600
Convertible Debt Securities | Cool Lab, LLC
Schedule of Equity Method Investments [Line Items]
Carrying value of convertible debt securities	$ 5,800		$ 5,800