Financial Instruments - Proceeds and Realized Gains (Losses) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Jan. 01, 2022	Jan. 02, 2021	Jan. 01, 2022	Jan. 02, 2021
Investments, All Other Investments [Abstract]
Proceeds from sale of available-for-sale securities	$ 143,353	$ 3,896	$ 149,208	$ 60,351
Gross realized gains on sale of available-for-sale securities	712	0	748	413
Gross realized losses on sale of available-for-sale securities	(1,169)	(75)	(1,233)	(299)
Net realized gains (losses) on sale of available-for-sale securities	(457)	(75)	(485)	114
Amortization of premiums (discounts) on available-for-sale securities	$ (19)	$ (141)	$ 873	$ (257)

The sum of the periodic adjustments of the differences between securities' face values and purchase prices that are charged against earnings. This is called accretion if the security was purchased at a discount and amortization if it was purchased at premium. As a noncash item, this element is an adjustment to net income when calculating cash provided by or used in operations using the indirect method.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
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Amount of realized gain on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
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-Section 50
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Amount of realized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
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-Section 50
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Amount of realized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount of cash inflow from sale of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
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-Publisher FASB
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