Condensed Consolidated Statement of Equity and Comprehensive Income (Unaudited) (USD $) In Thousands, except Share data	Total	Common Stock	Paid-in Capital	Retained Earnings	Common Stock Held in Treasury	Accumulated Other Comprehensive Income (Loss)	Noncontrolling Interest in Subsidiary	Comprehensive Income
Beginning Balance at Apr. 01, 2011	$ 844,241	$ 4	$ 601,029	$ 254,722	$ (17,907)	$ 2,277	$ 4,116
Beginning Balance, shares at Apr. 01, 2011		42,225,130			(560,363)
Exercise of stock options	9,709		9,709
Exercise of stock options, shares		558,088
Issuance of stock under Employee Stock Purchase Plan	4,660		4,660
Issuance of stock under Employee Stock Purchase Plan, shares		126,302
Stock-based compensation expense	15,878		15,878
Shares issued in settlement of certain accrued employee compensation liabilities	6,340		6,340
Shares issued in settlement of certain accrued employee compensation liabilities, shares		156,825
RSU awards vesting, shares	443,607	443,607
Purchase of treasury shares pursuant to vesting of certain RSU agreements	(6,991)				(6,991)
Purchase of treasury shares pursuant to vesting of certain RSU agreements, shares					(157,183)
Net income	14,881			14,874			7	14,881
Hedging transactions, net of tax	(584)					(584)		(584)
Foreign currency translation, net of tax	(935)					(935)		(935)
Comprehensive income								13,362
Ending Balance at Dec. 30, 2011	$ 887,199	$ 4	$ 637,616	$ 269,596	$ (24,898)	$ 758	$ 4,123
Ending Balance, shares at Dec. 30, 2011		43,509,952			(717,546)