Basis of Presentation and Significant Accounting Policies - Additional Information (Detail) - USD ($)		12 Months Ended
	Jun. 26, 2015	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Basis Of Presentation And Significant Accounting Policies [Line Items]
Outstanding money market funds investments		$ 0	$ 0
Total consideration for non marketable equity securities			21,100,000
Value of equity investments			19,200,000
Value of commercial agreement			1,900,000
Carrying values of equity method investment		205,500,000	1,000,000
Payment for investment		300,000
Other-than-temporary impairments		$ 0	0	$ 0
Percentage of revenues		No single client accounted for more than 10% of our revenue in the years ended December 31, 2015, 2014 and 2013.
Customer concentration		No client represented more than 10% of accounts receivable as of December 31, 2015 or 2014.
Non-current deferred tax assets		$ 2,298,000	1,984,000
Non-current deferred tax liabilities		$ 22,164,000	21,119,000
Secured Debt [Member]
Basis Of Presentation And Significant Accounting Policies [Line Items]
Debt issuance costs			9,500,000
1.25% Cash Convertible Senior Notes [Member]
Basis Of Presentation And Significant Accounting Policies [Line Items]
Interest rate		1.25%
Interest rate increase (decrease)		8.00%
Nant Health, LLC [Member]
Basis Of Presentation And Significant Accounting Policies [Line Items]
Carrying values of equity method investment	$ 205,400,000	$ 203,100,000
Payment for investment	$ 200,000,000	$ 200,000,000
Equity ownership percentage	10.00%	10.00%
Warrants Exercised [Member]
Basis Of Presentation And Significant Accounting Policies [Line Items]
Carrying values of equity method investment		$ 1,000,000
Other Assets [Member]
Basis Of Presentation And Significant Accounting Policies [Line Items]
Carrying values of cost method investments		17,800,000	17,800,000
Carrying values of equity method investment		$ 2,500,000	1,000,000
Deferred Tax Assets Current [Member]
Basis Of Presentation And Significant Accounting Policies [Line Items]
Current deferred tax assets			35,600,000
Deferred Tax Assets Noncurrent [Member]
Basis Of Presentation And Significant Accounting Policies [Line Items]
Non-current deferred tax assets			1,300,000
Deferred Tax Liabilities Noncurrent [Member]
Basis Of Presentation And Significant Accounting Policies [Line Items]
Non-current deferred tax liabilities			$ 34,300,000
Minimum [Member]
Basis Of Presentation And Significant Accounting Policies [Line Items]
Outsourcing services arrangements period		3 years
Capitalized software estimated economic life		3 years
Maximum [Member]
Basis Of Presentation And Significant Accounting Policies [Line Items]
Outsourcing services arrangements period		10 years
Capitalized software estimated economic life		5 years