Consolidated Condensed Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Sep. 24, 2016	Sep. 26, 2015	Sep. 24, 2016	Sep. 26, 2015
Consolidated Condensed Statements of Comprehensive Income [Abstract]
Net income	$ 78,065	$ 34,880	$ 93,929	$ 68,234
Other comprehensive income (loss), before tax
Foreign currency translation	65	961	253	178
Unrealized gain (loss) on marketable securities	(76)	69	(9)	(79)
Reclassification of actuarial (gain) loss to net income	(26)	16	(53)	32
Benefit (provision) for income taxes	21	(38)	20	14
Comprehensive income	$ 78,049	$ 35,888	$ 94,140	$ 68,379

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.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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Amount before 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 before tax of reclassification adjustment from accumulated other comprehensive (income) loss for prior service cost (credit) related to pension and other postretirement benefit plans.

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Amount before tax and reclassification adjustments of unrealized holding gain (loss) on available-for-sale securities and unrealized holding gain (loss) related to transfers of securities into the available-for-sale classification and out of the held-to-maturity classification.

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Amount of tax expense (benefit) allocated to other comprehensive income (loss) attributable to parent entity.

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