STOCKHOLDERS' EQUITY AND NONCONTROLLING INTERESTS - Additional Information (Detail) - shares	3 Months Ended			6 Months Ended
	Mar. 31, 2017	Dec. 30, 2016	Apr. 01, 2016	Mar. 31, 2017	Apr. 01, 2016	Nov. 30, 2016
Stockholders’ equity and noncontrolling interests [Line Items]
Purchased (shares)	2,000,000		800,000	2,500,000	3,200,000
November 2016
Stockholders’ equity and noncontrolling interests [Line Items]
Number of shares authorized to be repurchased by VMS Board of Directors (in shares)						8,000,000.0
Remaining authorization (shares)	6,000,000			6,000,000
November 2015
Stockholders’ equity and noncontrolling interests [Line Items]
Purchased (shares)		500,000