Discontinued Operations Discontinued Operations (Income) Loss from Discontinued Operations (Details) - USD ($) $ in Millions	3 Months Ended			6 Months Ended	9 Months Ended
	Jun. 24, 2016	Dec. 25, 2015	Jun. 26, 2015	Mar. 25, 2016	Jun. 24, 2016	Jun. 26, 2015
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Discontinued operation, (loss) income from discontinued operations, net of tax	$ 3.6		$ 2.4		$ 96.8	$ 31.3
Contrast Media and Delivery Systems
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Discontinued operation, net sales	0.7		102.2		61.0	312.1
Discontinued operation, costs of goods sold	0.7		72.5		46.9	222.9
Discontinued operation, selling general and administrative expense	0.0		21.8		20.1	71.8
Discontinued operation, other	0.0		1.5		1.1	4.1
Discontinued operation, income (loss) from discontinued operation before tax phase out period	0.0		6.4		(7.1)	13.3
Discontinued operation, gain (loss) on disposal of discontinued operation, before income tax	1.7		0.0		99.0	0.0
Discontinued operation, income (loss) from discontinued operation, before income tax	1.7		6.4		91.9	13.3
Discontinued operation, income tax (benefit) expense	0.0	$ (0.7)	4.5	$ (2.2)	(2.9)	5.4
Discontinued operation, (loss) income from discontinued operations, net of tax	$ 1.7		$ 1.9		$ 94.8	$ 7.9