Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jan. 01, 2017	Dec. 27, 2015	Jan. 01, 2017	Dec. 27, 2015
Statement of Comprehensive Income [Abstract]
Net income	$ 3,551	$ 815	$ 18,345	$ 13,284
Other comprehensive income (loss), net of tax:
Unrealized gain on available-for-sale investments	0	5	0	26
Derivative Instruments, Gain Recognized in Other Comprehensive Income (Loss), Effective Portion	393		277
Unrealized gain on interest rate swap		0		0
Total comprehensive income	$ 3,944	$ 820	$ 18,622	$ 13,310