STOCKHOLDERS' EQUITY AND NONCONTROLLING INTERESTS - Noncontrolling interests (Details) - USD ($) $ in Millions	3 Months Ended
	Dec. 29, 2017	Dec. 30, 2016
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at beginning of period	$ 1,521.9
Net earnings attributable to noncontrolling interests	(0.1)	$ (0.6)
Balance at end of period	1,391.0
Increase (Decrease) in Temporary Equity [Roll Forward]
Balance at beginning of period		10.3
Net earnings attributable to noncontrolling interests		0.1
Other		(0.1)
Balance at end of period		10.3
Noncontrolling Interests
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at beginning of period	4.3	3.7
Net earnings attributable to noncontrolling interests	0.1	0.5
Other	0.0	0.0
Balance at end of period	$ 4.4	$ 4.2