Debt - Convertible Senior Notes (Details) $ / shares in Units, $ in Thousands, item in Millions			3 Months Ended	6 Months Ended
	Jun. 01, 2020 USD ($) D item $ / shares	Mar. 06, 2017 USD ($) D item $ / shares	Jul. 04, 2020 USD ($)	Jul. 04, 2020 USD ($)	Dec. 28, 2019
Debt
Loss on debt extinguishment | $				$ (3,685)
Credit Facility
Debt
Repayment of credit facility amount | $	$ 310,000
0.625% Convertible Senior Notes (2025 Notes)
Debt
Principal amount | $	$ 535,000
Semi-annual interest rate	0.625%		0.625%	0.625%
Conversion rate, shares per $1,000 principal	8.1498
Conversion, number of shares of common stock | item	4.4
Initial conversion price | $ / shares	$ 122.70
Debt issuance costs | $	$ 10,400
0.625% Convertible Senior Notes (2025 Notes) | Conversion of Notes, Holders
Debt
Number of trading days within 30 trading day period	20
Number of consecutive trading days	30
Stock price trigger per share | $ / shares	$ 159.51
Stock price trigger, as a percentage of conversion price	130.00%
Number of consecutive business days after the 10 consecutive trading day period	5
Number of consecutive trading days before the five consecutive business days	10
Maximum threshold stock price, as a percentage of conversion price	98.00%
0.625% Convertible Senior Notes (2025 Notes) | Conversion of Notes, Company
Debt
Number of trading days within 30 trading day period	20
Number of consecutive trading days	30
Stock price trigger, as a percentage of conversion price	130.00%
1.375% Convertible Senior Notes (2022 Notes)
Debt
Principal amount | $		$ 400,000
Semi-annual interest rate	1.375%	1.375%	1.375%	1.375%	1.375%
Repayment of credit facility amount | $	$ 276,900
Aggregate principal amount of debt repurchased | $	$ 236,800
Conversion rate, shares per $1,000 principal		10.7744
Conversion, number of shares of common stock | item		4.3
Initial conversion price | $ / shares		$ 92.81
1.375% Convertible Senior Notes (2022 Notes) | Interest expense
Debt
Loss on debt extinguishment | $			$ 3,700
1.375% Convertible Senior Notes (2022 Notes) | Conversion of Notes, Holders
Debt
Number of trading days within 30 trading day period		20
Number of consecutive trading days		30
Stock price trigger per share | $ / shares		$ 120.66
Stock price trigger, as a percentage of conversion price		130.00%
Number of consecutive business days after the 10 consecutive trading day period		5
Number of consecutive trading days before the five consecutive business days		10
Maximum threshold stock price, as a percentage of conversion price		98.00%
1.375% Convertible Senior Notes (2022 Notes) | Conversion of Notes, Company
Debt
Stock price trigger, as a percentage of conversion price		130.00%
Number of consecutive business days after the 10 consecutive trading day period		20
Number of consecutive trading days before the five consecutive business days		30