Debt - Additional Information (Details) $ / shares in Units, shares in Millions							1 Months Ended	3 Months Ended			6 Months Ended
	Dec. 30, 2021 USD ($)	Nov. 22, 2021 USD ($)	Nov. 17, 2021 USD ($)	Sep. 29, 2021 USD ($)	Sep. 02, 2021 USD ($) shares	May 29, 2018 USD ($)	Mar. 22, 2017 USD ($)	Jan. 01, 2022 USD ($) $ / shares	Jul. 03, 2021 USD ($) day $ / shares	Jan. 02, 2021 USD ($)	Jan. 01, 2022 USD ($) day $ / shares	Jan. 02, 2021 USD ($)	Mar. 03, 2017 USD ($)
Debt details
Proceeds from issuance of 3.75% senior notes											$ 400,000,000.0	$ 0
Repayments of credit facility											$ 150,000,000.0	0
Short-term debt									$ 456,600,000
Debt conversion, shares issued | shares					10.6
Common stock, par value (in dollars per share) | $ / shares								$ 0.001	$ 0.001		$ 0.001
Repayments of senior debt			$ 59,000,000		$ 196,500,000
Gain (loss) on induced conversion and extinguishment of debt			(6,400,000)		(85,900,000)			$ (6,400,000)		$ 0	$ (92,300,000)	$ 0
Convertible Notes
Debt details
Short-term debt									$ 456,600,000
1.75% Senior Convertible Notes | Convertible Notes
Debt details
Stated interest rate						1.75%		1.75%			1.75%
Aggregate principal amount of convertible debt						$ 225,000,000
Debt issued			$ 20,600,000		93,800,000
Proceeds from convertible debt						69,500,000
Expected remaining term											1 year 4 months 24 days
Proceeds from debt, net of issuance costs						67,300,000
1.75% Senior Convertible Notes | Convertible Notes | Exchange Transaction
Debt details
Debt issued						155,500,000
Repayments of debt						$ 151,500,000
1.00% Senior Convertible Notes | Convertible Notes
Debt details
Stated interest rate								1.00%			1.00%		1.00%
Aggregate principal amount of convertible debt							$ 60,000,000						$ 400,000,000
Debt issued		$ 25,000,000			$ 181,200,000
Expected remaining term											2 years 2 months 12 days
Proceeds from debt, net of issuance costs							$ 451,100,000
Debt conversion, threshold percentage of stock price trigger									130.00%		130.00%
Debt conversion, trading days threshold | day									20		20
Debt conversion, consecutive trading days threshold | day									30		30
Short-term debt								$ 0	$ 460,000,000.0		$ 0
3.75% Senior Notes | Senior Notes
Debt details
Stated interest rate								3.75%			3.75%
Aggregate principal amount of convertible debt				$ 400,000,000
Proceeds from issuance of 3.75% senior notes				$ 393,000,000
Revolving Credit Facility | Line of Credit | Wells Fargo
Debt details
Proceeds from credit facility											$ 150,000,000
Repayment of credit facility											$ 150,000,000
Revolving Credit Facility | Line of Credit | Senior Secured Asset-based Revolving Credit Facility
Debt details
Maximum borrowing capacity	$ 300,000,000
Potential increase to maximum borrowing capacity	$ 100,000,000
Fixed charge coverage ratio	1.00
Credit facility, excess availability rate	10.00%
Credit facility, borrowing base	$ 20,000,000
Minimum | Base Rate | Revolving Credit Facility | Line of Credit | Senior Secured Asset-based Revolving Credit Facility
Debt details
Basis spread on variable rate	0.25%
Minimum | Base Rate | Revolving Credit Facility | Line of Credit | Senior Secured Asset-based Revolving Credit Facility | Canadian dollars
Debt details
Basis spread on variable rate	0.25%
Minimum | Secured Overnight Financing Rate (SOFR) | Revolving Credit Facility | Line of Credit | Senior Secured Asset-based Revolving Credit Facility
Debt details
Basis spread on variable rate	1.35%
Minimum | Sterling Overnight Interbank Average Rate (SONIA) | Revolving Credit Facility | Line of Credit | Senior Secured Asset-based Revolving Credit Facility
Debt details
Basis spread on variable rate	1.2825%
Minimum | Euro Interbank Offered Rate | Revolving Credit Facility | Line of Credit | Senior Secured Asset-based Revolving Credit Facility
Debt details
Basis spread on variable rate	1.25%
Minimum | Canadian Dollar Offered Rate | Revolving Credit Facility | Line of Credit | Senior Secured Asset-based Revolving Credit Facility
Debt details
Basis spread on variable rate	1.25%
Maximum | Base Rate | Revolving Credit Facility | Line of Credit | Senior Secured Asset-based Revolving Credit Facility
Debt details
Basis spread on variable rate	0.75%
Maximum | Base Rate | Revolving Credit Facility | Line of Credit | Senior Secured Asset-based Revolving Credit Facility | Canadian dollars
Debt details
Basis spread on variable rate	0.75%
Maximum | Secured Overnight Financing Rate (SOFR) | Revolving Credit Facility | Line of Credit | Senior Secured Asset-based Revolving Credit Facility
Debt details
Basis spread on variable rate	1.85%
Maximum | Sterling Overnight Interbank Average Rate (SONIA) | Revolving Credit Facility | Line of Credit | Senior Secured Asset-based Revolving Credit Facility
Debt details
Basis spread on variable rate	1.7825%
Maximum | Euro Interbank Offered Rate | Revolving Credit Facility | Line of Credit | Senior Secured Asset-based Revolving Credit Facility
Debt details
Basis spread on variable rate	1.75%
Maximum | Canadian Dollar Offered Rate | Revolving Credit Facility | Line of Credit | Senior Secured Asset-based Revolving Credit Facility
Debt details
Basis spread on variable rate	1.75%