Fair Value Measurements (Tables)

6 Months Ended

Dec. 30, 2017

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 December 30, 2017								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	$	103,678	$	—	$	—	$	103,678	$	952,462	$	—	$	—	$	952,462
Commercial paper	—		19,540		—		19,540		—		—		—		—
U.S Treasury securities	—		31,977		—		31,977		—		—		—		—
Short Term Investments
Agency securities	—		6,994		—		6,994		—		—		—		—
Certificates of deposit	—		50,545		—		50,545		—		—		—		—
Commercial paper	—		82,249		—		82,249		—		—		—		—
Corporate debt securities	—		422,659		—		422,659		—		—		—		—
U.S. Treasury securities	—		629,318		—		629,318		—		498,718		—		498,718
Other Current Assets
Foreign currency forward contracts	—		606		—		606		—		848		—		848
Total Assets	$	103,678	$	1,243,888	$	—	$	1,347,566	$	952,462	$	499,566	$	—	$	1,452,028
Liabilities
Other Current Liabilities
Foreign currency forward contracts	$	—	$	230	$	—	$	230	$	—	$	386	$	—	$	386
Total Liabilities	$	—	$	230	$	—	$	230	$	—	$	386	$	—	$	386