Restructuring Liabilities - Summary of Changes in Restructuring Liabilities (Detail) - USD ($) $ in Thousands	3 Months Ended
	Apr. 01, 2017	Apr. 02, 2016
Restructuring Cost and Reserve [Line Items]
Balance at beginning of period	$ 23,461
Current period charges	2,265	$ 8,000
Change in estimate	(392)
Payments and usage—net of accretion	(10,588)
Balance at end of period	14,746
Severance and Related Costs [Member]
Restructuring Cost and Reserve [Line Items]
Balance at beginning of period	22,596
Current period charges	2,265
Change in estimate	(392)
Payments and usage—net of accretion	(10,617)
Balance at end of period	13,852
Facility Closing Costs [Member]
Restructuring Cost and Reserve [Line Items]
Balance at beginning of period	865
Payments and usage—net of accretion	29
Balance at end of period	$ 894