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SUBSEQUENT EVENT	9 Months Ended
	Feb. 01, 2014
Subsequent Events [Abstract]
Subsequent Event	SUBSEQUENT EVENT On February 10, 2014, one of the Company's investments, an interest in Lumidigm, with a cost basis of $4,056, was sold. The Company's portion of the proceeds from the sale is $7,241, which will result in a pre-tax gain of $3,185. The Company will record the transaction in the fourth quarter of fiscal 2014. The Company continues to hold an exclusive license in Lumidigm for certain transportation markets.

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The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

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