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Stockholders' Equity (Narrative) (Detail) - USD ($)	3 Months Ended				6 Months Ended
Stockholders' Equity (Narrative) (Detail) - USD ($)	Jul. 03, 2020	Apr. 03, 2020	Jun. 28, 2019	Mar. 29, 2019	Jul. 03, 2020	Nov. 30, 2017
Equity, Class of Stock [Line Items]
Share repurchases		$ 50,000,000.0	$ 19,000,000.0	$ 40,000,000.0
2017 Stock Repurchase Program
Equity, Class of Stock [Line Items]
Remaining amount authorized	$ 122,400,000				$ 122,400,000
Maximum \| 2017 Stock Repurchase Program
Equity, Class of Stock [Line Items]
Stock repurchase program approved amount						$ 600,000,000.0
Open Market Purchases \| 2017 Stock Repurchase Program
Equity, Class of Stock [Line Items]
Stock repurchased (in shares)	0				1,200,000
Shares repurchased (in dollars per share)					$ 40.40
Share repurchases					$ 50,000,000.0