Quarterly Financial Data (Unaudited) - Schedule of Quarterly Financial Data - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended
	Dec. 29, 2019	Sep. 29, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 30, 2018	Sep. 30, 2018	Jul. 01, 2018	Apr. 01, 2018
Expenses Related to the System Transformation [Member]
Pre-tax expense impact:			$ (2,185)	$ (4,730)	$ (10,598)	$ (10,417)	$ (9,871)	$ (12,450)
Expenses Related to Supply Chain And Asset Optimization [Member]
Pre-tax expense impact:	$ (5,702)	$ (3,581)	$ (1,294)
Exchange Transaction [Member]
Pre-tax expense impact:						$ 10,170
Expenses Related to Workforce Optimization [Member]
Pre-tax expense impact:					$ (3,745)		$ (4,810)