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Income Taxes - Additional Information (Detail) (USD $) | 3 Months Ended |
--- | --- | ---
Aug. 30, 2014 | Aug. 31, 2013 | May 31, 2014
Income Tax [Line Items] |  |  |
Effective income tax rate from continuing operation | 61.90% | 18.50% |
Federal statutory rate | 34.00% |  |
Description of tax years open for examination in foreign tax jurisdictions | Our most significant foreign tax jurisdictions are Germany and the Netherlands. We have tax years open in Germany beginning in fiscal 2007 and the Netherlands beginning in fiscal 2008. |  |
Deferred Tax Liabilities, Other | $ 6,800,000 |  |
Deferred Tax Liabilities, Undistributed Foreign Earnings | 41,600,000 |  |
Cumulative positive earnings of foreign subsidiaries | 43,100,000 |  |
Liability for uncertain tax positions related to continuing operations, excluding interest and penalties |  |  | 0
Maximum [Member] |  |  |
Income Tax [Line Items] |  |  |
Liability for uncertain tax positions related to continuing operations, excluding interest and penalties | $ 100,000 |  |

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- Definition Amount of deferred tax liability attributable to taxable temporary differences not separately disclosed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32621-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=29652012&loc=d3e28680-109314 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32632-109319 + Details
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- Definition Amount of deferred tax liability attributable to taxable temporary differences from undistributed earnings of subsidiaries and other recognized entities not within the country of domicile of the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32621-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=29652012&loc=d3e28680-109314 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32632-109319 + Details
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