Consolidated Statement of Equity - USD ($) $ in Thousands	Total	Common Stock [Member]	Paid-in Capital [Member]	Retained Earnings [Member]	Common Stock Held in Treasury [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Noncontrolling Interest in Subsidiaries [Member]
Beginning balance at Apr. 04, 2014	$ 946,635	$ 5	$ 776,452	$ 211,600	$ (49,358)	$ 2,313	$ 5,623
Beginning balance, shares at Apr. 04, 2014		47,419,831			(1,190,572)
Exercise of stock options	15,732		15,732
Exercise of stock options, shares		724,800
Issuance of stock under Employee Stock Purchase Plan	7,470		7,470
Issuance of stock under Employee Stock Purchase Plan, shares		152,268
Stock-based compensation	40,765		40,765
Shares issued in settlement of certain accrued employee compensation liabilities	10,194		10,194
Shares issued in settlement of certain accrued employee compensation liabilities, shares		180,526
Retirement of common stock held in treasury			(49,358)		$ 49,358
Retirement of common stock held in treasury, shares		(1,190,572)			1,190,572
RSU awards vesting, net of shares withheld for taxes which have been retired	(14,788)		(14,788)		$ (14,800)
RSU awards vesting, net of shares withheld for taxes which have been retired, shares		410,560
Net income (loss)	39,891			40,363			(472)
Other comprehensive loss, net of tax	(2,166)					(2,166)
Ending balance at Apr. 03, 2015	1,043,733	$ 5	786,467	251,963		147	5,151
Ending balance, shares at Apr. 03, 2015		47,697,413
Exercise of stock options	13,520		13,520
Exercise of stock options, shares		432,706
Issuance of stock under Employee Stock Purchase Plan	8,789		8,789
Issuance of stock under Employee Stock Purchase Plan, shares		170,968
Stock-based compensation	51,399		51,399
Shares issued in settlement of certain accrued employee compensation liabilities	11,609		11,609
Shares issued in settlement of certain accrued employee compensation liabilities, shares		185,424
RSU awards vesting, net of shares withheld for taxes which have been retired	(16,397)		(16,397)		(16,400)
RSU awards vesting, net of shares withheld for taxes which have been retired, shares		439,906
Other noncontrolling interest activity	141						141
Net income (loss)	21,770			21,741			29
Other comprehensive loss, net of tax	(140)					(140)
Ending balance at Mar. 31, 2016	1,134,424	$ 5	855,387	273,704		7	5,321
Ending balance, shares at Mar. 31, 2016		48,926,417
Exercise of stock options	12,117		12,117
Exercise of stock options, shares		273,050
Issuance of stock under Employee Stock Purchase Plan	10,286		10,286
Issuance of stock under Employee Stock Purchase Plan, shares		188,938
Common stock issued in public offering, net of issuance costs	503,061	$ 1	503,060
Common stock issued in public offering, net of issuance costs, shares		7,475,000
Stock-based compensation	62,397		62,397
Shares issued in settlement of certain accrued employee compensation liabilities	13,080		13,080
Shares issued in settlement of certain accrued employee compensation liabilities, shares		176,731
RSU awards vesting, net of shares withheld for taxes which have been retired	(21,670)		(21,670)		$ (21,700)
RSU awards vesting, net of shares withheld for taxes which have been retired, shares		498,585
Shares issued in connection with acquisition of business	4,988		4,988
Shares issued in connection with acquisition of business, shares		61,888
Other noncontrolling interest activity	(8)						(8)
Net income (loss)	21,767			23,767			(2,000)
Other comprehensive loss, net of tax	(2,511)					(2,511)
Ending balance at Mar. 31, 2017	$ 1,737,931	$ 6	$ 1,439,645	$ 297,471		$ (2,504)	$ 3,313
Ending balance, shares at Mar. 31, 2017		57,600,609