Revenue, Receivables and Contract Assets and Liabilities (Details 5) $ in Thousands	Jun. 02, 2018 USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2019-06-02
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Total	$ 448,500
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-06-02
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Total	232,000
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-06-02
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Total	33,850
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: (nil)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Total	$ 714,350