Consolidated Statements of Equity and Comprehensive Income (USD $) In Thousands, except Share data	Total	Common Stock	Paid-in Capital	Retained Earnings	Common Stock in Treasury	Accumulated Other Comprehensive Income (Loss)	Noncontrolling Interest in Subsidiary	Comprehensive Income
Beginning balance at Apr. 03, 2009	$ 462,790	$ 3	$ 273,102	$ 187,471	$ (1,701)	$ (127)	$ 4,042
Beginning balance, shares at Apr. 03, 2009		31,114,086			(66,968)
Exercise of stock options	19,435		19,435
Exercise of stock options, shares	1,019,899	1,019,899
Issuance of stock under Employee Stock Purchase Plan	3,650		3,650
Issuance of stock under Employee Stock Purchase Plan, shares		168,640
Stock-based compensation	12,212		12,212
Shares issued in settlement of certain accrued employee compensation liabilities	5,090		5,090
Shares issued in settlement of certain accrued employee compensation liabilities, shares		192,894
RSU awards vesting, shares	234,039	234,039
Purchase of treasury shares pursuant to vesting of certain RSU agreements	(2,326)				(2,326)
Purchase of treasury shares pursuant to vesting of certain RSU agreements, shares					(88,438)
Shares issued in connection with acquisition of business, net of issuance costs	131,638	1	131,637
Shares issued in connection with acquisition of business, net of issuance costs, shares		4,286,250
Shares repurchased from Intelsat	(8,000)				(8,000)
Shares repurchased from Intelsat, shares					(251,731)
Shares issued in connection with license right obtained	303		303
Shares issued in connection with license right obtained, shares		10,000
Common stock issued under public offering, net of issuance costs	100,533		100,533
Common stock issued under public offering, net of issuance costs, shares		3,173,962
Net income	30,839			31,136			(297)	30,839
Foreign currency translation, net of tax	586					586		586
Comprehensive income								31,425
Ending balance at Apr. 02, 2010	756,750	4	545,962	218,607	(12,027)	459	3,745
Ending balance, shares at Apr. 02, 2010		40,199,770			(407,137)
Exercise of stock options	22,101		22,101
Exercise of stock options, shares	1,124,415	1,124,415
Issuance of stock under Employee Stock Purchase Plan	4,297		4,297
Issuance of stock under Employee Stock Purchase Plan, shares		159,940
Stock-based compensation	17,640		17,640
Tax benefit from exercise of stock options and release of RSU awards	1,303		1,303
Shares issued in settlement of certain accrued employee compensation liabilities	5,096		5,096
Shares issued in settlement of certain accrued employee compensation liabilities, shares		162,870
RSU awards vesting, shares	433,173	433,173
Purchase of treasury shares pursuant to vesting of certain RSU agreements	(5,880)				(5,880)
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		4,630
Shares issued in connection with acquisition of business, net of issuance costs, shares		144,962
Other noncontrolling interest activity	62						62
Net income	36,424			36,115			309	36,424
Hedging transactions, net of tax	182					182		182
Foreign currency translation, net of tax	1,636					1,636		1,636
Comprehensive income								38,242
Ending balance at Apr. 01, 2011	844,241	4	601,029	254,722	(17,907)	2,277	4,116
Ending balance, shares at Apr. 01, 2011		42,225,130			(560,363)
Exercise of stock options	14,681		14,681
Exercise of stock options, shares	795,634	795,634
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	22,962		22,962
Tax benefit from exercise of stock options and release of RSU awards	0
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		472,311
Purchase of treasury shares pursuant to vesting of certain RSU agreements	(7,451)				(7,451)
Purchase of treasury shares pursuant to vesting of certain RSU agreements, shares					(167,311)
Net income	7,598			7,496			102	7,598
Hedging transactions, net of tax	(452)					(452)		(452)
Foreign currency translation, net of tax	(386)					(386)		(386)
Comprehensive income								6,760
Ending balance at Mar. 30, 2012	$ 892,193	$ 4	$ 649,672	$ 262,218	$ (25,358)	$ 1,439	$ 4,218
Ending balance, shares at Mar. 30, 2012		43,776,202			(727,674)