Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2016	Jan. 02, 2016	Jan. 03, 2015
Significant Accounting Policies [Line Items]
Allowance for doubtful accounts	$ 12,600	$ 8,800
Depreciation	26,200	25,500	$ 15,500
Finite-Lived Intangible Assets, Amortization Expense	29,900	27,400	24,600
Foreign Currency Transaction Gain (Loss), before Tax	1,900	6,800	(3,600)
Costs in Excess of Billings on Uncompleted Contracts or Programs	12,200	13,000
Research and Development Expense	26,300	22,400	22,600
Share-based Compensation	27,905	15,864	16,690
Tax benefit	10,500	$ 6,000	$ 4,600
Total unrecognized compensation	$ 16,700
Weighted average life	2 years 1 month 5 days
Weighted average number diluted shares outstanding (shares)	55,000	22,000	20,000
Interest Paid	$ 21,000	$ 14,800	$ 14,800
Income Taxes Paid	$ 89,000	$ 94,600	43,500
Restricted Stock [Member]
Significant Accounting Policies [Line Items]
Stock Issued During Period, Shares, Restricted Stock Award, Gross	382,125	100,704
Fair value of grants issued during the period	$ 36,000	$ 10,900	$ 0
Grant awards issued (shares)	382,125	100,704
Grant awards, fair value per share at date of grant (usd per share)	$ 94.19	$ 107.81