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

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

	As of December 30, 2017
	Level 1		Level 2		Level 3		Total
Assets:
Cash equivalents:
Certificates of deposit	$	—	$	6.2	$	—	$	6.2
Commercial paper	—		41.9		—		41.9
Corporate debt securities	—		2.7		—		2.7
Money market funds	3.0		—		—		3.0
U.S. Treasury	13.5		—		—		13.5
Asset-backed securities	—		1.6		—		1.6
Short-term investments:
Certificates of deposit	—		23.2		—		23.2
Commercial paper	—		35.3		—		35.3
Asset-backed securities	—		89.0		—		89.0
Corporate debt securities	—		262.5		—		262.5
Municipal bonds	—		5.8		—		5.8
Mortgage-backed securities	—		1.0		—		1.0
Foreign government bonds	—		5.6		—		5.6
Total assets	$	16.5	$	474.8	$	—	$	491.3
Other accrued liabilities:
Derivative liability	$	—	$	—	$	39.5	$	39.5
Acquisition contingencies	—		—		2.7		2.7
Pension and post-retirement benefit accrual	—		4.3		—		4.3
Total other accrued liabilities	$	—	$	4.3	$	42.2	$	46.5