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Property and Equipment (Tables)
12 Months Ended
May 31, 2021
Property, Plant and Equipment [Abstract]  
Property and Equipment Depreciation is calculated using the straight-line method primarily over the following estimated useful lives of the assets based on industry and Cintas specific experience:
Years
Buildings
30 to 40
Building improvements
5 to 20
Equipment
3 to 10
Leasehold improvements
2 to 15
Cintas' property and equipment is summarized as follows at May 31:
(In thousands)20212020
Land$190,711 $188,720 
Buildings and improvements698,094 682,768 
Equipment2,409,785 2,347,636 
Leasehold improvements38,320 40,188 
Construction in progress36,749 54,548 
3,373,659 3,313,860 
Accumulated depreciation(2,055,221)(1,910,795)
Property and equipment, net$1,318,438 $1,403,065