Segment Reporting - Schedule of Segment Reporting Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Feb. 25, 2023	Feb. 26, 2022	Feb. 25, 2023	Feb. 26, 2022
Segment Reporting Information [Line Items]
Revenues	$ 542,691	$ 486,696	$ 1,084,489	$ 972,860
Operating income (loss)	20,710	22,613	64,128	67,403
Interest (income) expense, net	(3,031)	(751)	(5,800)	(1,399)
Income (loss) before taxes	23,627	22,770	69,023	67,472
U.S. and Canadian Rental and Cleaning | Operating Segments
Segment Reporting Information [Line Items]
Revenues	463,803	424,896	926,627	844,949
Operating income (loss)	64,010	59,914	146,655	133,839
Interest (income) expense, net	(1,025)	(814)	(2,045)	(1,480)
Income (loss) before taxes	65,051	60,711	148,627	135,281
MFG | Operating Segments
Segment Reporting Information [Line Items]
Revenues	74,231	65,618	151,742	156,343
Operating income (loss)	22,252	14,826	45,554	38,851
Income (loss) before taxes	22,127	14,711	45,331	38,677
MFG | Net Interco MFG Elim
Segment Reporting Information [Line Items]
Revenues	(74,231)	(65,618)	(151,742)	(156,343)
Operating income (loss)	(6,008)	1,545	(12,791)	(6,054)
Income (loss) before taxes	(6,008)	1,545	(12,791)	(6,054)
Corporate | Operating Segments
Segment Reporting Information [Line Items]
Revenues	13,247	8,160	27,821	16,953
Operating income (loss)	(66,612)	(57,540)	(131,945)	(111,384)
Interest (income) expense, net	(2,006)	63	(3,755)	81
Income (loss) before taxes	(64,812)	(58,067)	(129,004)	(112,057)
Subtotal Core Laundry Operations
Segment Reporting Information [Line Items]
Revenues	477,050	433,056	954,448	861,902
Operating income (loss)	13,642	18,745	47,473	55,252
Interest (income) expense, net	(3,031)	(751)	(5,800)	(1,399)
Income (loss) before taxes	16,358	18,900	52,163	55,847
Specialty Garments
Segment Reporting Information [Line Items]
Revenues	42,127	35,538	86,206	75,022
Specialty Garments | Operating Segments
Segment Reporting Information [Line Items]
Revenues	42,127	35,538	86,206	75,022
Operating income (loss)	8,045	3,850	18,228	12,479
Income (loss) before taxes	8,247	3,849	18,437	11,954
First Aid
Segment Reporting Information [Line Items]
Revenues	23,514	18,102	43,835	35,936
First Aid | Operating Segments
Segment Reporting Information [Line Items]
Revenues	23,514	18,102	43,835	35,936
Operating income (loss)	(977)	18	(1,573)	(328)
Income (loss) before taxes	$ (978)	$ 21	$ (1,577)	$ (329)