Fair Value Measurements Fair value on recurring and nonrecurring basis (Details) - USD ($) $ in Millions	Dec. 31, 2015	Sep. 15, 2015	Jun. 27, 2015	Jun. 28, 2014
Liabilities:
Contingent consideration		$ 0.0
Fair Value, Measurements, Recurring [Member]
Assets:
Investments	$ 14.9		$ 12.7	$ 20.7
Foreign currency forward contracts (asset)	4.8		12.4	3.1
Funds Associated With Israeli Post Employment Benefits Fair Value Disclosure	17.2		17.3	19.3
Total Fair Value Assets	36.9		42.4	43.1
Liabilities:
Contingent consideration	17.9			17.4
Interest rate swap agreements	0.3			8.3
Foreign currency forward contracts	3.9		4.6	0.8
Total Fair Value Liabilities	22.1		4.6	26.5
Fair Value, Measurements, Recurring [Member] | Level 1
Assets:
Investments	14.9		12.7	20.7
Foreign currency forward contracts (asset)	0.0		0.0	0.0
Funds Associated With Israeli Post Employment Benefits Fair Value Disclosure	0.0		0.0	0.0
Total Fair Value Assets	14.9		12.7	20.7
Liabilities:
Contingent consideration	0.0			0.0
Interest rate swap agreements	0.0			0.0
Foreign currency forward contracts	0.0		0.0	0.0
Total Fair Value Liabilities	0.0		0.0	0.0
Fair Value, Measurements, Recurring [Member] | Level 2
Assets:
Investments	0.0		0.0	0.0
Foreign currency forward contracts (asset)	4.8		12.4	3.1
Funds Associated With Israeli Post Employment Benefits Fair Value Disclosure	17.2		17.3	19.3
Total Fair Value Assets	22.0		29.7	22.4
Liabilities:
Contingent consideration	0.0			0.0
Interest rate swap agreements	0.3			8.3
Foreign currency forward contracts	3.9		4.6	0.8
Total Fair Value Liabilities	4.2		4.6	9.1
Fair Value, Measurements, Recurring [Member] | Level 3
Assets:
Investments	0.0		0.0	0.0
Foreign currency forward contracts (asset)	0.0		0.0	0.0
Funds Associated With Israeli Post Employment Benefits Fair Value Disclosure	0.0		0.0	0.0
Total Fair Value Assets	0.0		0.0	0.0
Liabilities:
Contingent consideration	17.9			17.4
Interest rate swap agreements	0.0			0.0
Foreign currency forward contracts	0.0		0.0	0.0
Total Fair Value Liabilities	17.9		$ 0.0	$ 17.4
Fair Value, Measurements, Nonrecurring [Member]
Assets:
Indefinite-lived intangible assets	1,813.8
Assets held for sale, net	37.5
Total Fair Value Assets	1,851.3
Fair Value, Measurements, Nonrecurring [Member] | Level 1
Assets:
Indefinite-lived intangible assets	0.0
Assets held for sale, net	0.0
Total Fair Value Assets	0.0
Fair Value, Measurements, Nonrecurring [Member] | Level 2
Assets:
Indefinite-lived intangible assets	0.0
Assets held for sale, net	0.0
Total Fair Value Assets	0.0
Fair Value, Measurements, Nonrecurring [Member] | Level 3
Assets:
Indefinite-lived intangible assets	1,813.8
Assets held for sale, net	37.5
Total Fair Value Assets	$ 1,851.3