Fair Value Measurements (Tables)

9 Months Ended

Mar. 31, 2018

Fair Value Disclosures [Abstract]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

Assets and liabilities measured at fair value on a recurring basis were as follows:

	As of March 31, 2018								As of June 24, 2017
	Fair Value  Measurements Using						Total Balance		Fair Value  Measurements Using						Total Balance
	Level 1		Level 2		Level 3				Level 1		Level 2		Level 3
	(in thousands)
Assets
Cash and cash equivalents
Money market funds	$	107,956	$	—	$	—	$	107,956	$	952,462	$	—	$	—	$	952,462
Commercial paper	—		13,681		—		13,681		—		—		—		—
Corporate debt securities	—		5,307		—		5,307		—		—		—		—
U.S Treasury securities	—		24,906		—		24,906		—		—		—		—
Short term investments
Certificates of deposit	—		40,375		—		40,375		—		—		—		—
Commercial paper	—		43,584		—		43,584		—		—		—		—
Corporate debt securities	—		453,716		—		453,716		—		—		—		—
U.S. Treasury securities	—		557,126		—		557,126		—		498,718		—		498,718
Other current assets
Foreign currency forward contracts	—		559		—		559		—		848		—		848
Total assets	$	107,956	$	1,139,254	$	—	$	1,247,210	$	952,462	$	499,566	$	—	$	1,452,028
Liabilities
Accrued expenses
Foreign currency forward contracts	$	—	$	260	$	—	$	260	$	—	$	386	$	—	$	386
Contingent consideration	—		—		8,000		8,000		—		—		—		—
Other liabilities
Contingent consideration	—		—		8,000		8,000		—		—		—		—
Total Liabilities	$	—	$	260	$	16,000	$	16,260	$	—	$	386	$	—	$	386