Segment Reporting - Schedule of Segment Reporting Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Feb. 24, 2024	Feb. 25, 2023	Feb. 24, 2024	Feb. 25, 2023
Segment Reporting Information [Line Items]
Revenues	$ 590,711	$ 542,691	$ 1,184,236	$ 1,084,489
Operating income (loss)	27,943	20,710	81,080	64,128
Interest income, net	(350)	(3,031)	(3,184)	(5,800)
Other expense, net	575	114	1,291	905
Total consolidated other expense (income), net	225	(2,917)	(1,893)	(4,895)
Total consolidated income before income taxes	27,718	23,627	82,973	69,023
U.S. and Canadian Rental and Cleaning | Operating Segments
Segment Reporting Information [Line Items]
Revenues	507,602	463,803	1,018,544	926,627
Operating income (loss)	67,390	64,010	153,036	146,655
MFG | Operating Segments
Segment Reporting Information [Line Items]
Revenues	71,038	74,231	156,077	151,742
Operating income (loss)	19,547	22,252	44,488	45,554
MFG | Net Interco MFG Elim
Segment Reporting Information [Line Items]
Revenues	(71,038)	(74,231)	(156,077)	(151,742)
Operating income (loss)	91	(6,008)	(4,390)	(12,791)
Corporate | Operating Segments
Segment Reporting Information [Line Items]
Revenues	14,818	13,247	27,865	27,821
Operating income (loss)	(67,982)	(66,612)	(131,997)	(131,945)
Subtotal Core Laundry Operations
Segment Reporting Information [Line Items]
Revenues	522,420	477,050	1,046,409	954,448
Operating income (loss)	19,046	13,642	61,137	47,473
Specialty Garments
Segment Reporting Information [Line Items]
Revenues	43,462	42,127	88,131	86,206
Specialty Garments | Operating Segments
Segment Reporting Information [Line Items]
Revenues	43,462	42,127	88,131	86,206
Operating income (loss)	9,901	8,045	22,018	18,228
First Aid
Segment Reporting Information [Line Items]
Revenues	24,829	23,514	49,696	43,835
First Aid | Operating Segments
Segment Reporting Information [Line Items]
Revenues	24,829	23,514	49,696	43,835
Operating income (loss)	$ (1,004)	$ (977)	$ (2,075)	$ (1,573)