INCOME TAXES - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Jun. 29, 2018	Jun. 30, 2017	Jun. 29, 2018	Jun. 30, 2017	Sep. 28, 2018
Income Tax Contingency [Line Items]
Effective tax rate (as a percent)	21.20%	21.10%	89.20%	25.70%
Provisional discrete tax expense related to re-measuring deferred tax assets	$ 1.6		$ 41.8
Provisional discrete tax expense related to the one-time transition tax			173.1
Discrete income tax benefit, related to excess stock deduction activity	$ 0.3		6.5
Increase in unrecognized tax benefits			$ 5.6
Forecast
Income Tax Contingency [Line Items]
Estimated effective U.S. corporate tax rate (as a percent)					24.60%