Revenue Recognition (Tables)

12 Months Ended

May 31, 2021

Revenue from Contract with Customer [Abstract]

Schedule of Disaggregated Revenue

The following table presents Cintas' total revenue disaggregated by operating segment for the fiscal years ended May 31:

(In thousands)	2021				2020				2019
Uniform Rental and Facility    Services	$	5,689,632	80.0	%	$	5,643,494	79.6	%	$	5,552,430	80.6	%
First Aid and Safety Services	784,291		11.0	%	708,569		10.0	%	619,470		9.0	%
Fire Protection Services	446,441		6.3	%	422,688		6.0	%	405,467		5.9	%
Uniform Direct Sales	195,976		2.7	%	310,369		4.4	%	314,936		4.5	%
Total revenue	$	7,116,340	100.0	%	$	7,085,120	100.0	%	$	6,892,303	100.0	%