DISCONTINUED OPERATIONS (Details2) (CLX2 Service, USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012
Liabilities of Disposal Group (Including Discontinued Operation)
Balance, beginning of period	$ 4.9
Expenses incurred	4.5
Amounts paid	(9.4)
Balance, end of period	0
Container and charter liabilities
Liabilities of Disposal Group (Including Discontinued Operation)
Balance, beginning of period	4.8
Expenses incurred	4.5
Amounts paid	(9.3)
Other contractual liabilities
Liabilities of Disposal Group (Including Discontinued Operation)
Balance, beginning of period	0.1
Expenses incurred	0
Amounts paid	$ (0.1)