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Employee Benefit Plans (Details) - Foreign Pension Plan - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Feb. 27, 2016
Feb. 28, 2015
Feb. 27, 2016
Feb. 28, 2015
Defined Benefit Plan Disclosure        
Interest cost $ 1.0 $ 1.2 $ 2.9 $ 3.5
Expected return on plan assets (1.4) (1.5) (4.1) (4.5)
Net amortization loss 0.6 0.5 2.0 1.5
Net periodic benefit cost $ 0.2 $ 0.2 $ 0.8 $ 0.5