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Fair Value of Financial Assets - Schedule of Unrealized Gain (Loss) on Investments (Details) - USD ($) $ in Millions | Jun. 03, 2017 | May 28, 2016
--- | --- | ---
Gain (Loss) on Investments |  |
Cost | $ 8.5 | $ 7.5
Unrealized Gain | 0.1 | 0.0
Unrealized Loss | 0.0 | 0.0
Market Value | 8.6 | 7.5
Mutual funds - fixed income |  |
Gain (Loss) on Investments |  |
Cost | 7.6 | 6.4
Unrealized Gain | 0.1 | 0.0
Unrealized Loss | 0.0 | 0.0
Market Value | 7.7 | 6.4
Mutual funds - equity |  |
Gain (Loss) on Investments |  |
Cost | 0.9 | 0.7
Unrealized Gain | 0.0 | 0.0
Unrealized Loss | 0.0 | 0.0
Market Value | 0.9 | 0.7
Government obligations |  |
Gain (Loss) on Investments |  |
Cost | 0.0 | 0.4
Unrealized Gain | 0.0 | 0.0
Unrealized Loss | 0.0 | 0.0
Market Value | $ 0.0 | $ 0.4

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- Definition Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 25 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=65884222&loc=d3e22054-111558 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27232-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=66010992&loc=d3e26610-111562 + Details
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- Definition Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27161-111563 + Details
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- Definition Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27161-111563 + Details
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- Definition This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.2) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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