Including the current and noncurrent portions, carrying amount of debt identified as being convertible into another form of financial instrument (typically the entity's common stock) as of the balance sheet date, which originally required full repayment more than twelve months after issuance or greater than the normal operating cycle of the company.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-SubTopic 10
-Topic 210
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16)(a)(2))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1

Borrowings - Narrative (Details) $ in Thousands, € in Millions, £ in Millions, shares in Millions								3 Months Ended		6 Months Ended
	Mar. 27, 2025 USD ($)	Mar. 27, 2025 GBP (£)	Mar. 13, 2025 USD ($) shares	Aug. 18, 2023 USD ($)	Feb. 16, 2023 USD ($)	Feb. 06, 2023 USD ($)	Feb. 06, 2023 GBP (£)	Mar. 28, 2025 USD ($)	Mar. 29, 2024 USD ($)	Mar. 28, 2025 USD ($)	Mar. 29, 2024 USD ($)	Mar. 27, 2025 EUR (€)	Mar. 13, 2025 EUR (€)	Sep. 27, 2024 USD ($)
Debt Instrument [Line Items]
Proceeds from long-term borrowings										$ 1,848,201	$ 1,716,577
Loss on extinguishment of debt								$ 20,510	$ 0	20,510	$ 0
Line of Credit
Debt Instrument [Line Items]
Current maturities of long-term debt								$ 256,300		$ 256,300				$ 306,200
Letter of Credit
Debt Instrument [Line Items]
Credit facility, maximum borrowing capacity						$ 400,000
Sub Facility Of Swing Line Loans
Debt Instrument [Line Items]
Credit facility, maximum borrowing capacity						100,000
5.90% Bonds \| Senior Notes
Debt Instrument [Line Items]
Interest rate					5.90%			5.90%		5.90%
Long-term debt, fair value								$ 511,400		$ 511,400
Aggregate principal amount					$ 500,000
Interest rate, increase (decrease) over period					0.35%
Redemption price percentage					100.00%
6.35% Bonds \| Senior Notes
Debt Instrument [Line Items]
Interest rate				6.35%				6.35%		6.35%
Long-term debt, fair value								$ 626,300		$ 626,300
Aggregate principal amount				$ 600,000
Interest rate, increase (decrease) over period				0.30%
Redemption price percentage				100.00%
Unsecured Revolving Credit Facility February 6, 2023 \| Revolving Credit Facility
Debt Instrument [Line Items]
Credit facility, maximum borrowing capacity						2,250,000
2021 Term Loan Facility
Debt Instrument [Line Items]
Proceeds from long-term borrowings						$ 200,000	£ 650.0
Long-term line of credit	$ 531,600
2021 Term Loan Facility \| Revolving Credit Facility
Debt Instrument [Line Items]
Loss on extinguishment of debt			$ 20,500
2021 Term Loan Facility \| Revolving Credit Facility \| Common Stock
Debt Instrument [Line Items]
Debt conversion, converted instrument, shares issued (in shares) \| shares			19.5
Convertible debt			$ 311,500										€ 239.8
2025 Term Loan Facility
Debt Instrument [Line Items]
Proceeds from long-term borrowings	200,000	£ 410.0
Long-term line of credit	$ 120,000											€ 410.2
Debt instrument, term	2 years	2 years
Revolving Credit Facility
Debt Instrument [Line Items]
Available borrowing capacity								1,440,000		1,440,000
Revolving Credit Facility \| Letter of Credit
Debt Instrument [Line Items]
Long-term line of credit								500		500
Committed and Uncommitted Letter-of-Credit Facilities \| Letter of Credit
Debt Instrument [Line Items]
Long-term line of credit								$ 255,800		$ 255,800