Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) $ in Thousands	Dec. 29, 2018	Mar. 31, 2018
Statement of Financial Position [Abstract]
Accounts receivable, allowance for doubtful accounts	$ 1,695	$ 1,326
Intangible assets, accumulated amortization	$ 43,765	$ 38,880
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, authorized	10,000,000	10,000,000
Preferred stock, issued	0	0
Preferred stock, outstanding	0	0
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, authorized	60,000,000	60,000,000
Common stock, issued	25,566,831	25,123,694
Common stock, outstanding	24,484,497	24,105,029
Treasury stock, shares	748,985	713,687