STOCKHOLDERS' EQUITY AND NONCONTROLLING INTERESTS - Noncontrolling interests (Details) - USD ($) $ in Millions		3 Months Ended
		Dec. 30, 2016	Jan. 01, 2016
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at beginning of period	[1]	$ 1,744.2
Net earnings attributable to noncontrolling interests		(0.6)	$ 0.0
Balance at end of period		1,729.0
Increase (Decrease) in Temporary Equity [Roll Forward]
Balance at beginning of period		10.3	0.0
Net earnings attributable to noncontrolling interests		0.1	0.0
Reclassification of noncontrolling interests in MeVis to redeemable noncontrolling interests		0.0	10.4
Other		(0.1)	0.0
Balance at end of period		10.3	10.4
Noncontrolling Interests
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at beginning of period		3.7	14.7
Net earnings attributable to noncontrolling interests		0.5	0.0
Reclassification of noncontrolling interests in MeVis to redeemable noncontrolling interests		0.0	(10.4)
Other		0.0	(0.5)
Balance at end of period		$ 4.2	$ 3.8

[1] The condensed consolidated balance sheet as of September 30, 2016 was derived from audited financial statements as of that date, but does not include all disclosures required by accounting principles generally accepted in the United States of America.