Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Sep. 30, 2017	Oct. 01, 2016
Cash flows from operating activities:
Net income	$ 36,632	$ 36,268
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	9,500	9,109
Excess tax benefits from stock-based compensation		(3,019)
Deferred income taxes	874	991
Amortization of intangible assets	4,738	4,590
Amortization of deferred financing costs	712	712
Stock-based compensation	6,630	5,952
Other non-cash charges	20	41
Gain on acquisition		(293)
Impairment charges	5,577
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable	396	(1,090)
Inventory	(6,804)	(5,720)
Prepaid expenses and other current assets	1,674	(1,937)
Other non-current assets	(2,371)	(1,527)
Accounts payable	4,054	(399)
Accrued expenses and other current liabilities	(156)	(3,943)
Other non-current liabilities	2,486	(1,222)
Net cash provided by operating activities	63,962	38,513
Cash flows from investing activities:
Purchase of property, plant and equipment	(12,667)	(9,621)
Proceeds from sale of assets	18	16
Business acquisition		(651)
Net cash used in investing activities	(12,649)	(10,256)
Cash flows from financing activities:
Repayments of revolving credit facility	(44,000)	(29,000)
Repayments of term loans	(6,250)	(5,000)
Payments of notes payable	(239)	(239)
Exercise of stock options	6,414	4,778
Excess tax benefits from stock-based compensation		3,019
Repurchase of common stock	(3,356)	(3,530)
Net cash used in financing activities	(47,431)	(29,972)
Effect of exchange rate changes on cash	80	(31)
Cash and cash equivalents:
Increase (decrease) during the period	3,962	(1,746)
Cash, at beginning of period	38,923	39,208
Cash, at end of period	$ 42,885	$ 37,462