Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Dec. 31, 2015	Jan. 02, 2015
Cash flows from operating activities:
Net income	$ 17,383	$ 32,455
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	144,441	132,555
Amortization of intangible assets	37,721	30,857
Deferred income taxes	(1,263)	7,920
Stock-based compensation expense	34,316	28,072
Loss on disposition of fixed assets	25,980	24,954
Other non-cash adjustments	5,658	3,535
Increase (decrease) in cash resulting from changes in operating assets and liabilities, net of effects of acquisitions:
Accounts receivable	2,171	3,166
Inventories	(20,149)	(2,534)
Other assets	(4,686)	(3,276)
Accounts payable	(8,659)	1,020
Accrued liabilities	(10,994)	19,169
Other liabilities	(2,429)	(6,460)
Net cash provided by operating activities	219,490	271,433
Cash flows from investing activities:
Purchase of property, equipment and satellites	(283,202)	(272,934)
Cash paid for patents, licenses and other assets	(52,495)	(37,076)
Payments related to acquisition of businesses, net of cash acquired	(3,908)	(56,545)
Net cash used in investing activities	(339,605)	(366,555)
Cash flows from financing activities:
Payment of debt issuance costs	(803)
Proceeds from issuance of common stock under equity plans	20,318	21,789
Payments related to tax withholdings on restricted stock unit releases	(16,056)	(14,382)
Other	(1,142)	(2,660)
Net cash provided by financing activities	131,713	134,747
Effect of exchange rate changes on cash	3	(328)
Net increase in cash and cash equivalents	11,601	39,297
Cash and cash equivalents at beginning of period	52,263	58,347
Cash and cash equivalents at end of period	63,864	97,644
Non-cash investing and financing activities:
Issuance of common stock in satisfaction of certain accrued employee compensation liabilities	11,609	10,194
Capital expenditures not paid for	51,093	8,405
Revolving credit facility [Member]
Cash flows from financing activities:
Proceeds from credit facility borrowings	175,000	320,000
Payments of revolving credit facility borrowings	(185,000)	$ (190,000)
Ex-Im Credit Facility [Member]
Cash flows from financing activities:
Proceeds from credit facility borrowings	139,396
Non-cash investing and financing activities:
Exposure fees on Ex-Im credit facility expected to be financed through Ex-Im credit facility	$ 13,658