Segment Reporting - Schedule of Segment Reporting Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	May 27, 2017	May 28, 2016	May 27, 2017	May 28, 2016
Segment Reporting Information [Line Items]
Revenues	$ 409,834	$ 367,799	$ 1,187,369	$ 1,104,280
Income (loss) from operations	38,771	47,917	120,674	144,404
Interest (income) expense, net	(809)	(691)	(2,730)	(1,908)
Income (loss) before taxes	39,362	48,699	122,800	146,056
US and Canadian Rental and Cleaning | Operating Segments
Segment Reporting Information [Line Items]
Revenues	361,157	325,822	1,055,697	981,703
Income (loss) from operations	50,603	49,653	146,161	149,496
Interest (income) expense, net	(809)	(857)	(2,568)	(2,419)
Income (loss) before taxes	51,447	50,507	148,846	151,948
MFG | Operating Segments
Segment Reporting Information [Line Items]
Revenues	53,768	49,482	148,854	137,733
Income (loss) from operations	19,932	18,633	54,791	49,228
Interest (income) expense, net	0	0	0	0
Income (loss) before taxes	19,731	18,609	54,583	49,243
MFG | Net Interco MFG Elim
Segment Reporting Information [Line Items]
Revenues	(53,722)	(49,482)	(148,644)	(137,733)
Income (loss) from operations	(1,029)	(1,746)	(961)	(45)
Interest (income) expense, net	0	0	0	0
Income (loss) before taxes	(1,029)	(1,746)	(961)	(45)
Corporate | Operating Segments
Segment Reporting Information [Line Items]
Revenues	5,890	5,402	21,415	15,923
Income (loss) from operations	(36,044)	(23,756)	(89,797)	(66,794)
Interest (income) expense, net	0	166	(162)	511
Income (loss) before taxes	(36,181)	(23,915)	(89,854)	(67,533)
Subtotal Core Laundry Operations
Segment Reporting Information [Line Items]
Revenues	367,093	331,224	1,077,322	997,626
Income (loss) from operations	33,462	42,784	110,194	131,885
Interest (income) expense, net	(809)	(691)	(2,730)	(1,908)
Income (loss) before taxes	33,968	43,455	112,614	133,613
Specialty Garments | Operating Segments
Segment Reporting Information [Line Items]
Revenues	29,861	24,081	74,004	71,302
Income (loss) from operations	4,181	3,559	7,427	8,991
Interest (income) expense, net	0	0	0	0
Income (loss) before taxes	4,266	3,670	7,133	8,915
First Aid | Operating Segments
Segment Reporting Information [Line Items]
Revenues	12,880	12,494	36,043	35,352
Income (loss) from operations	1,128	1,574	3,053	3,528
Interest (income) expense, net	0	0	0	0
Income (loss) before taxes	$ 1,128	$ 1,574	$ 3,053	$ 3,528