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Stockholders' Equity (Narrative) (Detail) - USD ($) $ / shares in Units, shares in Millions	3 Months Ended
	Apr. 02, 2021	Apr. 03, 2020	Nov. 30, 2017
Equity, Class of Stock [Line Items]
Stock repurchases	$ 40,000,000.0	$ 50,000,000.0
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]
Remaining amount authorized	$ 50,700,000
Stock repurchased (in shares)	0.6
Shares repurchased (in dollars per share)	$ 71.24
Stock repurchases	$ 40,000,000.0

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Final price paid per share for the purchase of the targeted number of shares, determined by an average market price over a fixed period of time.

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