Fair Value Measurements (Tables)

3 Months Ended

Sep. 29, 2018

Fair Value Disclosures [Abstract]

Summary of financial assets and liabilities measured at fair value on a recurring basis

Financial assets and liabilities measured at fair value on a recurring basis are summarized below (in millions):

	Level 1		Level 2		Level 3		Total
September 29, 2018:
Assets:
Cash equivalents:
Commercial paper	$	—	$	3.6	$	—	$	3.6
Money market funds	286.5		—		—		286.5
U.S. Treasury	19.4		—		—		19.4
Short-term investments:
Commercial paper	—		6.7		—		6.7
Asset-backed securities	—		58.3		—		58.3
Corporate debt securities	—		201.4		—		201.4
Municipal bonds	—		0.4		—		0.4
Mortgage-backed securities	—		3.0		—		3.0
Foreign government bonds	—		5.1		—		5.1
Total assets	$	305.9	$	278.5	$	—	$	584.4
Other accrued liabilities:
Derivative liability	$	—	$	—	$	54.5	$	54.5
Acquisition contingencies	—		—		2.7		2.7
Total other accrued liabilities	$	—	$	—	$	57.2	$	57.2

	Level 1		Level 2		Level 3		Total
June 30, 2018:
Assets:
Cash equivalents:
Certificates of deposit	$	—	$	3.0	$	—	$	3.0
Commercial paper	—		112.1		—		112.1
Money market funds	0.8		—		—		0.8
U.S. Treasury securities	143.6		—		—		143.6
U.S. Agency securities	—		34.2		—		34.2
Short-term investments:
Certificates of deposit	—		7.5		—		7.5
Commercial paper	—		10.5		—		10.5
Asset-backed securities	—		67.8		—		67.8
Corporate debt securities	—		219.2		—		219.2
Municipal bonds	—		1.6		—		1.6
Mortgage-backed securities	—		4.2		—		4.2
Foreign government bonds	—		3.4		—		3.4
Total assets	$	144.4	$	463.5	$	—	$	607.9
Other accrued liabilities:
Derivative liability	$	—	$	—	$	52.4	$	52.4
Acquisition contingencies	—		—		2.7		2.7
Total other accrued liabilities	$	—	$	—	$	55.1	$	55.1