Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2017	Jan. 01, 2017	Dec. 31, 2017	Jan. 01, 2017
Net income	$ 17,143	$ 3,551	$ 28,184	$ 18,345
Other comprehensive income (loss), net of tax:
Total comprehensive income	17,267	3,944	28,245	18,622
Interest Rate Swap [Member]
Other comprehensive income (loss), net of tax:
Unrealized gain on interest rate swap	$ 124	$ 393	$ 61	$ 277