Derivative Financial Instruments - Net Realized and Unrealized Gains and Losses Recorded in "Other, net" (Details) - USD ($)	3 Months Ended		6 Months Ended		9 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Mar. 31, 2014
Derivative Instruments, Gain (Loss) [Line Items]
Net gains (losses) on derivative instruments and investments(1)			$ (9,426,000)	$ 9,002,000
Other, net	$ 297,000	$ (530,000)	(578,000)	(594,000)
Coffee [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Net gains (losses) on coffee-related derivative instruments	32,000	(904,000)	(695,000)		$ (855,000)
Net gains on investments	265,000	205,000	118,000		15,000
Net gains (losses) on derivative instruments and investments(1)	297,000	(699,000)	(577,000)		(840,000)
Other gains (losses), net	0	169,000	(1,000)		246,000
Other, net	297,000	(530,000)	(578,000)		$ (594,000)
Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) from Components Excluded from Assessment of Cash Flow Hedge Effectiveness, Net	$ 0	$ 0	$ 0	$ 0