Stock-Based Compensation Expense - Stock-Based Compensation Expense (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Period for Recognition	1 year 6 months 7 days
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	$ 20,558,000	$ 21,274,000	$ 15,158,000
Stock-based compensation expense	0	1,533,000	1,099,000
Income tax benefit recognized related to stock-based compensation expense	6,747,000	7,127,000	4,977,000
Compensation expense capitalized	0	0	0
Product cost of revenue [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	1,052,000	1,515,000	1,116,000
Research, development, and engineering expenses
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	6,271,000	5,194,000	3,709,000
Selling, general, and administrative [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	$ 13,235,000	$ 13,032,000	$ 9,234,000