RETIREMENT PLANS - Schedule of Net Periodic Benefit Costs (Detail) - Defined Benefit Plans - USD ($) $ in Millions	3 Months Ended
	Dec. 30, 2016	Jan. 01, 2016
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 1.8	$ 1.5
Interest cost	0.6	1.0
Expected return on plan assets	(1.8)	(1.7)
Amortization of prior service cost	(0.1)	0.0
Recognized actuarial loss	1.1	0.7
Net periodic benefit cost	$ 1.6	$ 1.5