Convertible Notes and Long-Term Borrowing - Narrative (Details) $ / shares in Units, $ in Thousands					3 Months Ended
	Jan. 14, 2026	Jan. 02, 2025 d	Jan. 02, 2024 USD ($) d $ / shares	Feb. 02, 2021 USD ($) d $ / shares	Dec. 31, 2025 USD ($) $ / shares	Dec. 28, 2024 USD ($)	Jan. 13, 2026 USD ($)	Jan. 06, 2026 USD ($)	Jan. 05, 2026 USD ($)
Short-term Debt [Line Items]
Amortization of debt premium, net					$ (3,062)	$ 0
Subsequent Event
Short-term Debt [Line Items]
Debt interest rate									4.20%
Debt instrument, repurchase amount							$ 4,500
Senior unsecured term loan commitment indebtedness									$ 145,000
2026 Convertible notes
Short-term Debt [Line Items]
Convertible notes payable				$ 402,500
Debt interest rate				3.25%	3.25%
Proceeds from convertible note, net of issuance costs				$ 389,400
Payments of stock issuance costs				$ 13,100
Debt instrument, convertible, conversion price (in usd per share) \| $ / shares				$ 57.78
Debt instrument, convertible, threshold trading days \| d				20
Debt instrument, convertible, threshold consecutive trading days \| d				30
Debt instrument, convertible, threshold percentage of stock price trigger				130.00%
Redemption price, percentage				100.00%
2026 Convertible notes \| Fair Value, Inputs, Level 2
Short-term Debt [Line Items]
Convertible notes payable					$ 144,600
2026 Convertible notes \| Subsequent Event
Short-term Debt [Line Items]
Debt interest rate	3.25%
Redemption price, percentage	100.00%
2026 Convertible notes \| Debt Instrument, Redemption, Period One
Short-term Debt [Line Items]
Debt instrument, convertible, threshold trading days \| d				20
Debt instrument, convertible, threshold consecutive trading days \| d				30
Debt instrument, convertible, threshold percentage of stock price trigger				130.00%
2026 Convertible notes \| Debt Instrument, Redemption, Period Two
Short-term Debt [Line Items]
Debt instrument, convertible, threshold trading days \| d				5
Debt instrument, convertible, threshold consecutive trading days \| d				5
Debt instrument, convertible, maximum percentage of product of sales price and conversion rate				98.00%
2026 Convertible notes \| Convertible notes
Short-term Debt [Line Items]
Convertible notes payable			$ 205,800
Repurchased face amount				$ 140,200
2029 Convertible Notes
Short-term Debt [Line Items]
Debt interest rate					7.50%
Debt instrument, convertible, conversion price (in usd per share) \| $ / shares			$ 3.84
Amortization of debt premium, net					$ 3,100
2029 Convertible Notes \| Fair Value, Inputs, Level 2
Short-term Debt [Line Items]
Convertible notes payable					$ 194,900
2029 Convertible Notes \| Convertible notes
Short-term Debt [Line Items]
Convertible notes payable			$ 177,500
Debt instrument, convertible, conversion price (in usd per share) \| $ / shares					$ 0.2606474
Debt instrument, convertible, threshold trading days \| d		30
Debt instrument, convertible, threshold consecutive trading days \| d		20	20
Debt instrument, convertible, threshold percentage of stock price trigger		200.00%	130.00%
Debt instrument, convertible, threshold consecutive trading day immediately after measurement period			5 days
Debt instrument, convertible, threshold percentage of notes trading price trigger			98.00%
Debt instrument, convertible, threshold consecutive trading day before notice		10 days
2029 Convertible Notes \| Convertible notes \| Base Rate
Short-term Debt [Line Items]
Debt interest rate			7.50%
2029 Convertible Notes \| Convertible notes \| Paid in Kind
Short-term Debt [Line Items]
Debt interest rate			10.00%
2029 Convertible Notes \| Convertible notes \| Debt Instrument, Redemption, Period One
Short-term Debt [Line Items]
Debt instrument, convertible, threshold consecutive trading days \| d			30,000
2029 Notes Tender Offer \| Convertible notes \| Subsequent Event
Short-term Debt [Line Items]
Convertible notes payable								$ 177,500

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