Leases (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Oct. 31, 2013
Leases (Details) [Line Items]
Number of Owned Properties Subject to Seasonal Operating Lease	2
Decrease in Operating Leases Future Minimum Payments Receivable Remainder of Fiscal Year	$ 0.3
Decrease in Operating Leases Future Minimum Payments Receivable in Two Year	1.1
Decrease in Operating Leases Future Minimum Payments Receivable in Three Year	0.5
Decrease in Operating Leases Future Minimum Payments Receivable in Four Year	0.5
Decrease in Operating Leases Future Minimum Payments Receivable in Five Year	0.5
Decrease in Operating Leases Future Minimum Payments Receivable Thereafter	$ 0.3
Retail Site [Member]
Leases (Details) [Line Items]
Number of Owned Properties Subject to Operating Lease	4
Distribution Centre [Member]
Leases (Details) [Line Items]
Number of Owned Properties Subject to Operating Lease	1