INCOME TAXES - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	Mar. 30, 2018	Mar. 31, 2017	Mar. 30, 2018	Mar. 31, 2017	Sep. 28, 2018
Income Tax Contingency [Line Items]
Effective tax rate (as a percent)	23.40%	23.10%	117.90%	29.40%
Provisional discrete tax expense related to re-measuring deferred tax assets	$ 2.4		$ 40.2
Provisional discrete tax expense related to the one-time transition tax	3.8		173.1
Discrete income tax benefit, related to excess stock deduction activity	$ 4.7		6.2
Increase in unrecognized tax benefits			$ 11.6
Forecast
Income Tax Contingency [Line Items]
Estimated effective U.S. corporate tax rate (as a percent)					24.60%