Income Taxes - Additional Information (Detail) (USD $)	9 Months Ended
	Feb. 28, 2015	Mar. 01, 2014
Income Tax [Line Items]
Effective income tax rate from continuing operation	22.00%	17.50%
Federal statutory rate	34.00%
Description of tax years open for examination in foreign tax jurisdictions	Our primary 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 2009.
Deferred Tax Liabilities, Other	$ 5,000,000
Deferred Tax Liabilities, Undistributed Foreign Earnings	37,500,000
Cumulative positive earnings of foreign subsidiaries	34,600,000
Liability for uncertain tax positions related to continuing operations, excluding interest and penalties	$ 0