Shareholders' Equity - Additional Information (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 29, 2019	Sep. 30, 2018	Sep. 29, 2019	Sep. 30, 2018	Dec. 31, 2019	Jan. 31, 2019	Jan. 31, 2018
Cumulative repurchases, value	$ 124,763	$ 201,472	$ 365,386	$ 568,660
Common stock average price			$ 41.93	$ 40.62
Dividends Payable, Amount Per Share						$ 0.09	$ 0.09
Dividend payment	15,300	16,600	$ 46,269	$ 51,320
Common Stock [Member]
Cumulative repurchases, value	$ 290	$ 626	$ 1,099	$ 1,730
Cumulative repurchases, shares	(2,323)	(5,005)	(8,794)	(13,843)
Share Repurchase Program [Member]
Stock repurchase program, authorized amount	$ 30,400		$ 30,400
Cumulative repurchases, value			$ 1,200,000
Common stock average price			$ 39.18
Stock Repurchase Program, Number of Shares Authorized to be Repurchased	1,500,000		1,500,000
Maximum [Member]
Stock repurchase program, authorized amount							$ 1,500,000
Forecast [Member]
Cumulative repurchases, value					$ 500,000