Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
Jul. 01, 2017	Jul. 02, 2016
Statement of Comprehensive Income [Abstract]
Net income	$ 167,245	$ 163,049
Other comprehensive income (loss), net of tax:
Change in net unrealized gains on available-for-sale securities	5,250	3,726
Reclassification adjustment for (gains) losses on available-for-sale securities	(48)	(48)
Net change in unrealized gains (losses) on hedging transactions	1,425	(195)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax	(338)	(293)
Cumulative translation adjustment, net	1,760	36
Other comprehensive income (loss)	8,049	3,226
Total comprehensive income	$ 175,294	$ 166,275

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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Amount after tax and reclassification adjustments of other comprehensive income (loss).

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Amount after tax of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.

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Amount after tax of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss).

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Amount after tax, before reclassification adjustments, of unrealized holding gain (loss) on available-for-sale securities.

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