CONSOLIDATED STATEMENTS OF EQUITY AND COMPREHENSIVE INCOME (USD $)	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 Subsidiary [Member]
Beginning balance at Apr. 02, 2010	$ 756,750,000	$ 4,000	$ 545,962,000	$ 218,607,000	$ (12,027,000)	$ 459,000	$ 3,745,000
Beginning balance, shares at Apr. 02, 2010					(407,137)
Beginning balance, shares at Apr. 02, 2010		40,199,770
Exercise of stock options	22,101,000		22,101,000
Exercise of stock options, shares		1,124,415
Issuance of stock under Employee Stock Purchase Plan	4,297,000		4,297,000
Issuance of stock under Employee Stock Purchase Plan, shares		159,940
Stock-based compensation	17,640,000		17,640,000
Tax benefit from exercise of stock options and release of RSU awards	1,303,000		1,303,000
Shares issued in settlement of certain accrued employee compensation liabilities	5,096,000		5,096,000
Shares issued in settlement of certain accrued employee compensation liabilities, shares		162,870
RSU awards vesting, shares		433,173
Purchase of treasury shares pursuant to vesting of certain RSU agreements	(5,880,000)				(5,880,000)
Purchase of treasury shares pursuant to vesting of certain RSU agreements, shares					(153,226)
Shares issued in connection with acquisition of business, net of issuance costs	4,630,000		4,630,000
Shares issued in connection with acquisition of business, net of issuance costs, shares		144,962
Other noncontrolling interest activity	62,000						62,000
Net (loss) income	36,424,000			36,115,000			309,000
Other comprehensive (loss) income, net of tax	1,818,000					1,818,000
Ending balance at Apr. 01, 2011	844,241,000	4,000	601,029,000	254,722,000	(17,907,000)	2,277,000	4,116,000
Ending balance, shares at Apr. 01, 2011					(560,363)
Ending balance, shares at Apr. 01, 2011		42,225,130
Exercise of stock options	14,681,000		14,681,000
Exercise of stock options, shares		795,634
Issuance of stock under Employee Stock Purchase Plan	4,660,000		4,660,000
Issuance of stock under Employee Stock Purchase Plan, shares		126,302
Stock-based compensation	22,962,000		22,962,000
Shares issued in settlement of certain accrued employee compensation liabilities	6,340,000		6,340,000
Shares issued in settlement of certain accrued employee compensation liabilities, shares		156,825
RSU awards vesting, shares		472,311
Purchase of treasury shares pursuant to vesting of certain RSU agreements	(7,451,000)				(7,451,000)
Purchase of treasury shares pursuant to vesting of certain RSU agreements, shares					(167,311)
Net (loss) income	7,598,000			7,496,000			102,000
Other comprehensive (loss) income, net of tax	(838,000)					(838,000)
Ending balance at Mar. 30, 2012	892,193,000	4,000	649,672,000	262,218,000	(25,358,000)	1,439,000	4,218,000
Ending balance, shares at Mar. 30, 2012		43,048,528			(727,674)
Ending balance, shares at Mar. 30, 2012		43,776,202
Exercise of stock options	25,915,000		25,915,000
Exercise of stock options, shares		1,178,573
Issuance of stock under Employee Stock Purchase Plan	5,086,000		5,086,000
Issuance of stock under Employee Stock Purchase Plan, shares	1,994,792	157,636
Stock-based compensation	27,382,000		27,382,000
Tax benefit from exercise of stock options and release of RSU awards	0
Shares issued in settlement of certain accrued employee compensation liabilities	7,060,000		7,060,000
Shares issued in settlement of certain accrued employee compensation liabilities, shares		197,149
RSU awards vesting, shares		612,233
Purchase of treasury shares pursuant to vesting of certain RSU agreements	(8,412,000)				(8,412,000)
Purchase of treasury shares pursuant to vesting of certain RSU agreements, shares					(219,933)
Other noncontrolling interest activity	73,000						73,000
Net (loss) income	(40,629,000)			(41,172,000)			543,000
Other comprehensive (loss) income, net of tax	(833,000)					(833,000)
Ending balance at Mar. 29, 2013	$ 907,835,000	$ 4,000	$ 715,115,000	$ 221,046,000	$ (33,770,000)	$ 606,000	$ 4,834,000
Ending balance, shares at Mar. 29, 2013		44,974,186			(947,607)
Ending balance, shares at Mar. 29, 2013		45,921,793