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Employee Benefit Plans (Details) - Foreign Plan - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Feb. 29, 2020
Mar. 02, 2019
Feb. 29, 2020
Mar. 02, 2019
Defined Benefit Plan Disclosure        
Interest cost $ 0.6 $ 0.7 $ 1.8 $ 2.0
Expected return on plan assets (1.1) (1.1) (3.3) (3.3)
Net amortization loss 0.9 0.7 2.5 2.0
Net periodic benefit cost $ 0.4 $ 0.3 $ 1.0 $ 0.7