Segment Reporting - Schedule of Segment Reporting Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 01, 2025	Feb. 24, 2024	Mar. 01, 2025	Feb. 24, 2024
Segment Reporting Information [Line Items]
Revenues	$ 602,219	$ 590,711	$ 1,207,127	$ 1,184,236
Operating income (loss)	31,214	27,943	86,745	81,080
Interest income, net	(2,213)	(350)	(4,908)	(3,184)
Other expense, net	794	575	1,084	1,291
Total other (income) expense, net	(1,419)	225	(3,824)	(1,893)
Income before income taxes	32,633	27,718	90,569	82,973
U.S. and Canadian Rental and Cleaning | Operating Segments
Segment Reporting Information [Line Items]
Revenues	514,181	507,602	1,034,474	1,018,544
Operating income (loss)	73,366	67,390	164,762	153,036
MFG | Operating Segments
Segment Reporting Information [Line Items]
Revenues	67,044	71,038	144,228	156,077
Operating income (loss)	20,950	19,547	46,751	44,488
MFG | Net Interco MFG Elim
Segment Reporting Information [Line Items]
Revenues	(67,044)	(71,038)	(144,228)	(156,077)
Operating income (loss)	1,783	91	(2,202)	(4,390)
Corporate | Operating Segments
Segment Reporting Information [Line Items]
Revenues	16,170	14,818	28,620	27,865
Operating income (loss)	(71,832)	(67,982)	(142,021)	(131,997)
Subtotal Core Laundry Operations
Segment Reporting Information [Line Items]
Revenues	530,351	522,420	1,063,094	1,046,409
Operating income (loss)	24,267	19,046	67,290	61,137
Specialty Garments
Segment Reporting Information [Line Items]
Revenues	44,414	43,462	90,357	88,131
Specialty Garments | Operating Segments
Segment Reporting Information [Line Items]
Revenues	44,414	43,462	90,357	88,131
Operating income (loss)	7,433	9,901	19,600	22,018
First Aid
Segment Reporting Information [Line Items]
Revenues	27,454	24,829	53,676	49,696
First Aid | Operating Segments
Segment Reporting Information [Line Items]
Revenues	27,454	24,829	53,676	49,696
Operating income (loss)	$ (486)	$ (1,004)	$ (145)	$ (2,075)