Fair Value Measurements (Tables)

9 Months Ended

Dec. 30, 2017

Fair Value Disclosures [Abstract]

Assets and liabilities measured at fair value on a recurring basis

The following tables present information about the Company’s assets and liabilities measured at fair value on a recurring basis as of December 30, 2017 and April 1, 2017:

	December 30, 2017
(In thousands)	Quoted Prices in Active Markets for Identical Instruments (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Fair Value
Assets
Cash equivalents:
Money market funds	$	279,946	$	—	$	—	$	279,946
Financial institution securities	—		225,128		—		225,128
Non-financial institution securities	—		122,390		—		122,390
U.S. government and agency securities	92,662		49,951		—		142,613
Foreign government and agency securities	—		76,152		—		76,152
Short-term investments:
Financial institution securities	—		274,868		—		274,868
Non-financial institution securities	—		272,874		—		272,874
U.S. government and agency securities	29,506		26,084		—		55,590
Foreign government and agency securities	—		224,624		—		224,624
Mortgage-backed securities	—		1,142,982		—		1,142,982
Debt mutual fund	—		34,068		—		34,068
Bank loans	—		163,673		—		163,673
Asset-backed securities	—		222,363		—		222,363
Commercial mortgage-backed securities	—		239,073		—		239,073
Long-term investments:
Mortgage-backed securities	—		39,344		—		39,344
Debt mutual fund	—		55,843		—		55,843
Asset-backed securities	—		1,252		—		1,252
Equity securities	5,936		—		—		5,936
Total assets measured at fair value	$	408,050	$	3,170,669	$	—	$	3,578,719
Liabilities
Derivative financial instruments, net	$	—	$	9,043	$	—	$	9,043
Total liabilities measured at fair value	$	—	$	9,043	$	—	$	9,043
Net assets measured at fair value	$	408,050	$	3,161,626	$	—	$	3,569,676

	April 1, 2017
(In thousands)	Quoted Prices in Active Markets for Identical Instruments (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Fair Value
Assets
Cash equivalents:
Money market funds	$	298,307	$	—	$	—	$	298,307
Financial institution securities	—		158,962		—		158,962
Non-financial institution securities	—		205,322		—		205,322
U.S government and agency securities	2,998		50,984		—		53,982
Foreign government and agency securities	—		177,310		—		177,310
Short-term investments:
Financial institution securities	—		189,835		—		189,835
Non-financial institution securities	—		203,938		—		203,938
U.S. government and agency securities	31,732		44,820		—		76,552
Foreign government and agency securities	—		144,811		—		144,811
Mortgage-backed securities	—		1,115,403		—		1,115,403
Debt mutual fund	—		34,068		—		34,068
Bank loans	—		154,014		—		154,014
Asset-backed securities	—		218,170		—		218,170
Commercial mortgage-backed securities	—		217,971		—		217,971
Long-term investments:
Mortgage-backed securities	—		60,099		—		60,099
Debt mutual fund	—		54,608		—		54,608
Asset-backed securities	—		1,581		—		1,581
Derivative financial instruments, net	—		1,661		—		1,661
Total assets measured at fair value	$	333,037	$	3,033,557	$	—	$	3,366,594

Changes in Level 3 instruments measured at fair value on a recurring basis

The following table is a reconciliation of all assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs (Level 3):

	Three Months Ended				Nine Months Ended
(In thousands)	December 30, 2017		December 31, 2016		December 30, 2017		December 31, 2016
Balance as of beginning of period	$	—	$	10,160	$	—	$	9,977
Total unrealized gains (losses):
Included in other comprehensive income (loss)	—		67		—		250
Balance as of end of period	$	—	$	10,227	$	—	$	10,227