Hedging Transactions and Derivative Financial Instruments - Additional Information (Detail)	3 Months Ended		9 Months Ended
	Sep. 30, 2017 USD ($)	Oct. 01, 2016 USD ($)	Sep. 30, 2017 USD ($)	Oct. 01, 2016 USD ($)	Sep. 30, 2017 GBP (£)	Dec. 31, 2016 USD ($)	Dec. 31, 2016 GBP (£)
Derivative [Line Items]
Period over which outstanding cash flow hedges are expected to settle			12 months	12 months
Cost of sales	$ 288,100,000	$ 229,000,000	$ 849,700,000	$ 510,400,000
Fair value of derivative instruments	0		0			$ 0
Fair value of derivative liabilities	1,900,000		1,900,000			$ 6,100,000
Gains and Losses on Derivative Instruments [Member]
Derivative [Line Items]
Derivative instruments, credit (debit) to cost of sales	200,000	0	1,700,000	0
Gains and Losses on Derivative Instruments [Member] | Reclassification Out of Accumulated Other Comprehensive (Loss) Income [Member]
Derivative [Line Items]
Cost of sales	(200,000)	$ (1,500,000)	(1,700,000)	$ (5,500,000)
Coffee Futures [Member] | S&D Acquisition [Member]
Derivative [Line Items]
Notional value of derivatives | £					£ 32,100,000		£ 44,900,000
Hedging ineffectiveness on cash flow hedge	0		100,000
Effective portion of (losses) gains reclassified from other comprehensive income (loss)			$ 1,600,000
Coffee Futures [Member] | S&D Acquisition [Member] | Minimum [Member]
Derivative [Line Items]
Future contract period			3 months
Coffee Futures [Member] | S&D Acquisition [Member] | Maximum [Member]
Derivative [Line Items]
Future contract period			18 months
Coffee Futures [Member] | Gains and Losses on Derivative Instruments [Member] | S&D Acquisition [Member] | Reclassification Out of Accumulated Other Comprehensive (Loss) Income [Member]
Derivative [Line Items]
Cost of sales	$ 200,000		$ 1,700,000