Stockholders Equity (detail) - USD ($)	3 Months Ended		12 Months Ended
	Jul. 01, 2017	Jul. 02, 2016	Jul. 01, 2017	Mar. 31, 2017
Treasury Stock, Value, Acquired, Cost Method			$ 2,349,000
Treasury Stock, at cost	$ 66,499,000	$ 66,167,000	66,499,000	$ 66,499,000
Treasury Stock [Member]
Treasury Stock, Value, Acquired, Cost Method	0	$ 458,000
Treasury Stock, at cost	$ 66,499,000		$ 66,499,000
Shares, Issued	2,300,146		2,300,146