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Fair Value Measurements - Fair Value Hierarchy (Details) - USD ($) $ in Millions | Sep. 03, 2016 | May 28, 2016
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Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Available-for-sale marketable securities | $ 7.7 | $ 7.5
US Treasury and Government |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Available-for-sale marketable securities | 0.4 | 0.4
Fixed Income Securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Available-for-sale marketable securities | 6.6 | 6.4
Mutual funds - equity |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Available-for-sale marketable securities | 0.7 | 0.7
Fair Value, Inputs, Level 2 | Fair Value, Measurements, Recurring |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Deferred Compensation Plan Fair Value Disclosure | 8.8 | 7.9
Assets, Fair Value Disclosure | 16.9 | 15.9
Business Combination, Contingent Consideration, Liability | 0.0 | 0.0
Financial and Nonfinancial Liabilities, Fair Value Disclosure | 0.5 | 0.8
Fair Value, Inputs, Level 2 | Fair Value, Measurements, Recurring | Foreign Exchange Forward |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Foreign Currency Contract, Asset, Fair Value Disclosure | 0.4 | 0.5
Foreign Currency Contracts, Liability, Fair Value Disclosure | 0.5 | 0.8
Fair Value, Inputs, Level 2 | Fair Value, Measurements, Recurring | US Treasury and Government |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Available-for-sale marketable securities | 0.4 | 0.4
Fair Value, Inputs, Level 2 | Fair Value, Measurements, Recurring | Fixed Income Securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Available-for-sale marketable securities | 6.6 | 6.4
Fair Value, Inputs, Level 2 | Fair Value, Measurements, Recurring | Mutual funds - equity |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Available-for-sale marketable securities | 0.7 | 0.7
Fair Value, Inputs, Level 3 | Fair Value, Measurements, Recurring |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Deferred Compensation Plan Fair Value Disclosure | 0.0 | 0.0
Assets, Fair Value Disclosure | 0.0 | 0.0
Business Combination, Contingent Consideration, Liability | 2.7 | 2.7
Financial and Nonfinancial Liabilities, Fair Value Disclosure | 2.7 | 2.7
Fair Value, Inputs, Level 3 | Fair Value, Measurements, Recurring | Foreign Exchange Forward |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Foreign Currency Contract, Asset, Fair Value Disclosure | 0.0 | 0.0
Foreign Currency Contracts, Liability, Fair Value Disclosure | 0.0 | 0.0
Fair Value, Inputs, Level 3 | Fair Value, Measurements, Recurring | US Treasury and Government |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Available-for-sale marketable securities | 0.0 | 0.0
Fair Value, Inputs, Level 3 | Fair Value, Measurements, Recurring | Fixed Income Securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Available-for-sale marketable securities | 0.0 | 0.0
Fair Value, Inputs, Level 3 | Fair Value, Measurements, Recurring | Mutual funds - equity |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Available-for-sale marketable securities | $ 0.0 | $ 0.0

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