Debt (Details)					3 Months Ended	12 Months Ended
	Apr. 23, 2024 USD ($)	Sep. 29, 2020 USD ($)	Jun. 11, 2020 USD ($)	Jul. 16, 2018	Mar. 30, 2024 USD ($)	Mar. 30, 2024 USD ($)	Apr. 01, 2023 USD ($)	Apr. 02, 2022 USD ($)	Sep. 30, 2023	Apr. 06, 2022	Dec. 14, 2021 USD ($)	Dec. 20, 2019 USD ($)	Sep. 30, 2019 USD ($)
Debt Instrument [Line Items]
Total long-term debt					$ 1,549,272,000	$ 1,549,272,000	$ 2,048,073,000
Interest Expense, Borrowings						72,100,000	72,300,000	$ 67,000,000
Long-term Debt, Current Maturities					438,740,000	438,740,000	310,000
Net carrying amount of debt					1,549,272,000	1,549,272,000	2,048,073,000
Unamortized premium and issuance costs, net					1,726,000	1,726,000	3,283,000
Debt, Long-Term and Short-Term, Combined Amount					1,988,012,000	1,988,012,000	2,048,383,000
Senior Notes Due 2029 4.375% [Member]
Debt Instrument [Line Items]
Total long-term debt					850,000,000	850,000,000	850,000,000
Interest Paid, Including Capitalized Interest, Operating and Investing Activities						37,200,000
Debt Instrument, Face Amount			$ 300,000,000									$ 200,000,000	$ 350,000,000
Debt Instrument, Interest Rate, Stated Percentage													4.375%
Long-term Debt, Fair Value					797,600,000	797,600,000	785,900,000
Debt Instrument, Redemption Price, Percentage			104.375%
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed				35.00%
Interest paid						37,200,000
Net carrying amount of debt					850,000,000	850,000,000	850,000,000
Debt Instrument, Redemption Price, Percentage, Excluding Make-Whole Premium			1
Credit Agreement [Member]
Debt Instrument [Line Items]
debt instrument, covenant, Consolidated Leverage Ratio									4.00
Finance leases [Member]
Debt Instrument [Line Items]
Total long-term debt					0	0	1,666,000
Net carrying amount of debt					0	0	1,666,000
3.375% Senior Notes due 2031
Debt Instrument [Line Items]
Total long-term debt					700,000,000	700,000,000	700,000,000
Interest Paid, Including Capitalized Interest, Operating and Investing Activities						11,800,000	23,600,000	23,600,000
Debt Instrument, Face Amount		$ 700,000,000
Debt Instrument, Interest Rate, Stated Percentage		3.375%
Long-term Debt, Fair Value					603,800,000	603,800,000	565,300,000
Debt Instrument, Redemption Price, Percentage		103.375%
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed		40.00%
Interest paid						11,800,000	23,600,000	23,600,000
Net carrying amount of debt					700,000,000	700,000,000	700,000,000
Debt Instrument, Redemption Price, Percentage, Excluding Make-Whole Premium		1
Senior Notes Due 2024 1.750%
Debt Instrument [Line Items]
Total long-term debt					439,738,000	439,738,000	500,000,000
Interest Paid, Including Capitalized Interest, Operating and Investing Activities						8,600,000	8,800,000
Debt Instrument, Face Amount					439,700,000	439,700,000					$ 500,000,000
Debt Instrument, Interest Rate, Stated Percentage											1.75%
Long-term Debt, Fair Value					426,900,000	426,900,000	464,200,000
Interest paid						8,600,000	8,800,000
Net carrying amount of debt					439,738,000	439,738,000	500,000,000
Debt Instrument, Repurchased Face Amount					$ 60,300,000	60,300,000
Senior Notes
Debt Instrument [Line Items]
Interest Costs Capitalized						$ 2,900,000	$ 3,900,000	$ 3,700,000
2024 Credit Agreement
Debt Instrument [Line Items]
debt instrument, covenant, Consolidated Leverage Ratio					3.50	3.50
Gain (Loss) on Repurchase of Debt Instrument					$ 1,800,000
2024 Credit Agreement | Federal Funds Rate | Subsequent Event
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	0.50%
2024 Credit Agreement | Base Rate
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage										0.25%
2024 Credit Agreement | Base Rate | Subsequent Event
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	1.00%
2024 Credit Agreement | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage										1.25%
2024 Credit Agreement | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Subsequent Event
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	0.10%
2024 Credit Agreement | Maximum | Base Rate
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage										0.75%
2024 Credit Agreement | Maximum | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage										1.75%
2024 Credit Agreement | Maximum | Loan Purchase Commitments | Subsequent Event
Debt Instrument [Line Items]
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage	0.275%
2024 Credit Agreement | Minimum | Base Rate
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage										0.00%
2024 Credit Agreement | Minimum | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Subsequent Event
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	1.00%
2024 Credit Agreement | Minimum | Loan Purchase Commitments | Subsequent Event
Debt Instrument [Line Items]
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage	0.125%
Revolving Credit Facility | Credit Agreement [Member]
Debt Instrument [Line Items]
Proceeds from Lines of Credit						$ 0
Business Combination, Consideration Transferred						$ 300,000,000
Revolving Credit Facility | 2024 Credit Agreement | Subsequent Event
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 325,000,000
Revolving Credit Facility | 2024 Credit Agreement | Swing line advances | Subsequent Event
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	10,000,000
Revolving Credit Facility | 2024 Credit Agreement | Standby Letters of Credit | Subsequent Event
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 25,000,000