Fair Value (Tables)

12 Months Ended

Jun. 30, 2018

Fair Value Disclosures [Abstract]

Assets and Liabilities Measured at Fair Value on Recurring Basis

Assets and liabilities measured at fair value on a recurring basis are shown in the tables below by their corresponding balance sheet captions and consisted of the following types of instruments at June 30, 2018 and July 1, 2017:

		Fair Value Measurement at June 30, 2018 Using
		Quoted Prices		Significant
		in Active		Other		Significant
		Markets for		Observable		Unobservable
		Identical Assets		Inputs		Inputs
		(Level 1)		(Level 2)		(Level 3)		Total
Assets:		(Thousands)
Cash and cash equivalents: (1)
	Money market funds	$	153,392	$	—	$	—	$	153,392
	Commercial paper	—		3,999		—		3,999
Short-term investments:
	Commercial paper	—		41,401		—		41,401
	Corporate bonds	—		4,100		—		4,100
	U.S. Treasury securities	—		31,939		—		31,939
Total assets measured at fair value		$	153,392	$	81,439	$	—	$	234,831

(1) Excludes $88.3 million in cash held in our bank accounts at June 30, 2018.

		Fair Value Measurement at July 1, 2017 Using
		Quoted Prices		Significant
		in Active		Other		Significant
		Markets for		Observable		Unobservable
		Identical Assets		Inputs		Inputs
		(Level 1)		(Level 2)		(Level 3)		Total
Assets:		(Thousands)
Cash and cash equivalents: (1)
	Money market funds	$	99,037	$	—	$	—	$	99,037
	Commercial paper	—		22,981		—		22,981
	Corporate bonds	—		2,012		—		2,012
	U.S. agency securities	—		15,981		—		15,981
Restricted cash:
	Money market funds	712		—		—		712
Short-term investments:
	Commercial paper	—		23,459		—		23,459
	Corporate bonds	—		10,094		—		10,094
	U.S. Treasury securities	—		4,006		—		4,006
Total assets measured at fair value		$	99,749	$	78,533	$	—	$	178,282

(1) Excludes $79.3 million in cash held in our bank accounts at July 1, 2017.