Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
Jan. 02, 2015	Jan. 03, 2014
Cash flows from operating activities:
Net income (loss)	$ 32,455us-gaap_ProfitLoss	$ (5,166)us-gaap_ProfitLoss
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation	132,555us-gaap_Depreciation	117,742us-gaap_Depreciation
Amortization of intangible assets	30,857us-gaap_AmortizationOfIntangibleAssets	18,009us-gaap_AmortizationOfIntangibleAssets
Deferred income taxes	7,920us-gaap_DeferredIncomeTaxExpenseBenefit	(20,693)us-gaap_DeferredIncomeTaxExpenseBenefit
Stock-based compensation expense	28,072us-gaap_ShareBasedCompensation	24,365us-gaap_ShareBasedCompensation
Loss on disposition of fixed assets	24,954	24,592
Other non-cash adjustments	3,535us-gaap_OtherNoncashIncomeExpense	4,661us-gaap_OtherNoncashIncomeExpense
Increase (decrease) in cash resulting from changes in operating assets and liabilities, net of effects of acquisitions:
Accounts receivable	3,166	(18,688)
Inventories	(2,534)us-gaap_IncreaseDecreaseInInventories	(16,470)us-gaap_IncreaseDecreaseInInventories
Other assets	(3,276)	(7,059)
Accounts payable	1,020	10,801
Accrued liabilities	19,169	2,063
Other liabilities	(6,460)	749
Net cash provided by operating activities	271,433	134,906
Cash flows from investing activities:
Purchase of property, equipment and satellites	(272,934)	(244,863)
Cash paid for patents, licenses and other assets	(37,076)	(33,210)
Payments related to acquisition of businesses, net of cash acquired	(56,545)	(2,400)
Net cash used in investing activities	(366,555)	(280,473)
Cash flows from financing activities:
Proceeds from revolving credit facility borrowings	320,000	145,000
Payments of revolving credit facility borrowings	(190,000)	(60,000)
Payment of debt issuance costs		(2,512)us-gaap_PaymentsOfDebtIssuanceCosts
Proceeds from issuance of common stock under equity plans	21,789us-gaap_ProceedsFromStockPlans	15,776us-gaap_ProceedsFromStockPlans
Purchase of common stock in treasury related to tax withholdings for stock-based compensation	(14,382)	(14,829)
Other	(2,660)	(2,275)
Net cash provided by financing activities	134,747	81,160
Effect of exchange rate changes on cash	(328)	31
Net increase (decrease) in cash and cash equivalents	39,297	(64,376)
Cash and cash equivalents at beginning of period	58,347	105,738
Cash and cash equivalents at end of period	97,644	41,362
Non-cash investing and financing activities:
Issuance of common stock in satisfaction of certain accrued employee compensation liabilities	10,194us-gaap_StockIssued1	8,018us-gaap_StockIssued1
Capital expenditures not paid for	$ 8,405	$ 19,697

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The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.