Fair Value Measurements (Tables)

9 Months Ended

Dec. 31, 2016

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 31, 2016 and April 2, 2016:

	December 31, 2016
(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	$	366,460	$	—	$	—	$	366,460
Financial institution securities	—		299,875		—		299,875
Non-financial institution securities	—		22,689		—		22,689
U.S. government and agency securities	24,990		58,282		—		83,272
Foreign government and agency securities	—		4,998		—		4,998
Short-term investments:
Financial institution securities	—		174,997		—		174,997
Non-financial institution securities	—		272,956		—		272,956
Municipal bonds	—		50,067		—		50,067
U.S. government and agency securities	29,607		63,569		—		93,176
Foreign government and agency securities	—		89,752		—		89,752
Asset-backed securities	—		210,465		—		210,465
Mortgage-backed securities	—		1,141,926		—		1,141,926
Debt mutual funds	—		33,952		—		33,952
Bank loans	—		131,056		—		131,056
Commercial mortgage-backed securities	—		216,242		—		216,242
Long-term investments:
Auction rate securities	—		—		10,227		10,227
Asset-backed securities	—		5,388		—		5,388
Municipal bonds	—		4,726		—		4,726
Mortgage-backed securities	—		110,758		—		110,758
Debt mutual fund	—		51,983		—		51,983
Total assets measured at fair value	$	421,057	$	2,943,681	$	10,227	$	3,374,965
Liabilities
Derivative financial instruments, net	$	—	$	1,753	$	—	$	1,753
Total liabilities measured at fair value	$	—	$	1,753	$	—	$	1,753
Net assets measured at fair value	$	421,057	$	2,941,928	$	10,227	$	3,373,212

	April 2, 2016
(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	$	232,698	$	—	$	—	$	232,698
Non-financial institution securities	—		104,964		—		104,964
Foreign government and agency securities	—		98,967		—		98,967
Municipal bonds	—		1,003		—		1,003
Short-term investments:
Financial institution securities	—		284,853		—		284,853
Non-financial institution securities	—		460,148		—		460,148
Municipal Bonds	—		61,579		—		61,579
U.S. government and agency securities	81,873		110,420		—		192,293
Foreign government and agency securities	—		214,201		—		214,201
Mortgage-backed securities	—		1,067,157		—		1,067,157
Debt mutual fund	—		35,116		—		35,116
Bank loans	—		102,015		—		102,015
Asset-backed securities	—		210,051		—		210,051
Commercial mortgage-backed securities	—		206,470		—		206,470
Long-term investments:
Auction rate securities	—		—		9,977		9,977
Municipal bonds	—		7,100		—		7,100
Mortgage-backed securities	—		140,382		—		140,382
Debt mutual fund	—		56,785		—		56,785
Asset-backed securities	—		6,563		—		6,563
Derivative financial instruments, net	—		744		—		744
Total assets measured at fair value	$	314,571	$	3,168,518	$	9,977	$	3,493,066

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 31, 2016		January 2, 2016			December 31, 2016		January 2, 2016
Balance as of beginning of period	$	10,160	$	10,413		$	9,977	$	10,312
Total unrealized gains (losses):
Included in other comprehensive income (loss)	67		(302		)	250		(201		)
Balance as of end of period	$	10,227	$	10,111		$	10,227	$	10,111