Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 30, 2012	Apr. 01, 2011	Apr. 02, 2010
Cash flows from operating activities:
Net income	$ 7,598	$ 36,424	$ 30,839
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	101,507	83,629	37,373
Amortization of intangible assets	24,004	19,424	9,582
Stock-based compensation expense	21,382	17,440	12,212
Loss on disposition of fixed assets	5,814	6,999	594
Deferred income taxes	(13,330)	(4,098)	4,229
Other non-cash adjustments	1,793	503	2,483
Increase (decrease) in cash resulting from changes in operating assets and liabilities, net of effects of acquisitions:
Accounts receivable	(21,026)	(14,138)	(1,117)
Inventories	(25,271)	(14,030)	(9,367)
Other assets	(9,266)	3,151	1,504
Accounts payable	7,679	6,644	2,965
Accrued liabilities	33,280	32,441	20,612
Other liabilities	7,285	(4,772)	637
Net cash provided by operating activities	141,449	169,617	112,546
Cash flows from investing activities:
Purchase of property, equipment and satellites, net	(204,973)	(208,285)	(134,543)
Cash paid for patents, licenses and other assets	(24,049)	(15,986)	(13,796)
Payments related to acquisition of businesses, net of cash acquired		(13,456)	(377,987)
Change in restricted cash, net			7,298
Net cash used in investing activities	(229,022)	(237,727)	(519,028)
Cash flows from financing activities:
Proceeds from line of credit borrowings	130,000	40,000	263,000
Payments on line of credit	(190,000)	(40,000)	(203,000)
Proceeds from issuance of Senior Notes, net of discount	275,000		271,582
Payment of debt issuance costs	(5,706)	(2,775)	(12,781)
Proceeds from issuance of common stock under equity plans	19,341	26,398	23,085
Proceeds from common stock issued under public offering, net of issuance costs			100,533
Purchase of common stock in treasury	(7,451)	(5,880)	(10,326)
Payments on capital lease	(1,064)
Payments of estimated satellite performance incentives obligation	(322)
Incremental tax benefits from stock-based compensation	0	867	0
Net cash provided by financing activities	219,798	18,610	432,093
Effect of exchange rate changes on cash	(132)	359	529
Net increase (decrease) in cash and cash equivalents	132,093	(49,141)	26,140
Cash and cash equivalents at beginning of fiscal year	40,490	89,631	63,491
Cash and cash equivalents at end of fiscal year	172,583	40,490	89,631
Supplemental information:
Cash paid for interest (net of amounts capitalized)	5,964	2,797	6,287
Cash (received) paid for income taxes, net of refunds	(3,966)	(6,563)	7,784
Non-cash investing and financing activities:
Capitalization of estimated satellite performance incentives obligation	22,300
Issuance of stock in satisfaction of certain accrued employee compensation liabilities	6,340	5,096	5,090
Capitalization of non-cash portion of interest expense and stock-based compensation to constructed assets	3,802	3,261	966
Issuance of common stock in connection with acquisitions		4,630	131,888
Fair value of assets acquired in business combinations, excluding cash acquired		22,699	536,732
Liabilities assumed in business combinations		4,613	26,857
Equipment acquired under capital lease		3,074
Issuance of common stock in connection with license right obtained			$ 303