Acquisitions - Additional Information (Detail) - Crystal Rock Acquisition [Member] - USD ($) $ in Millions		3 Months Ended
	Mar. 23, 2018	Mar. 31, 2018
Business Acquisition [Line Items]
Aggregate consideration	$ 37.7
Acquisition Date	Mar. 23, 2018
Purchase price consideration	$ 20.7
Cash paid on behalf of sellers for sellers' transaction expenses	0.8
Purchase price consideration, liabilities incurred	16.2
Purchase price	$ 21.5
Revenue		$ 1.0
Net income (loss)		0.2
Acquisition related costs		$ 0.6