STOCKHOLDERS' EQUITY AND NONCONTROLLING INTERESTS - Shares Repurchased During Period (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Mar. 30, 2018	Mar. 31, 2017	Mar. 30, 2018	Mar. 31, 2017
Equity [Abstract]
Number of shares (in shares)	0.3	2.0	0.8	2.5
Average repurchase price per share (in dollars per share)	$ 110.52	$ 86.42	$ 109.06	$ 88.93
Total cost	$ 36.0	$ 172.8	$ 92.7	$ 222.3