Acquisitions (Aimia Acquisition) - Business Combination Transfer Consideration (Detail) (Aimia Foods Holdings Limited [Member]) In Millions, unless otherwise specified	0 Months Ended		1 Months Ended
	Sep. 15, 2014 USD ($)	Sep. 15, 2014 GBP (£)	May 31, 2014 USD ($)	Apr. 04, 2015 USD ($)	Apr. 04, 2015 GBP (£)
Business Acquisition [Line Items]
Cash paid to sellers			$ 80.4
Deferred consideration	33.5	19.9	33.5
Contingent consideration			17.9	15.7	10.6
Working capital payment			7.2
Total consideration			$ 139.0