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SIGNIFICANT ACCOUNTING POLICIES (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Cash and Cash Equivalents |  |  |
Outstanding checks in excess of funds on deposits | $ 19.8 | $ 19.6 |
Accounts Receivable |  |  |
Deposits to the CCF by way of assigned eligible accounts receivable | 112.0 |  |
Allowance for doubtful accounts |  |  |
Balance at Beginning of year | 4.7 | 5.3 | 6.1
Expense | 0.6 | 0.7 |
Write-offs and Other | (1.2) | (1.3) | (0.8)
Balance at End of Year | 4.1 | 4.7 | 5.3
Prepaid and Other Assets: |  |  |
Prepaid expenses and other assets includes diesel and heavy fuel oil expense that is primarily aboard the company's vessels | 13.8 | 17.9 |
Carrying value |  |  |
Fair value of financial instruments |  |  |
Cash and cash equivalents | 114.5 | 19.9 |
Accounts and notes receivable, net | 182.3 | 174.7 |
Variable rate debt |  | 24.0 |
Fixed rate debt | 286.1 | 295.1 |
Fair value |  |  |
Fair value of financial instruments |  |  |
Cash and cash equivalents | 114.5 | 19.9 |
Accounts and notes receivable, net | 182.3 | 174.7 |
Variable rate debt |  | 24.0 |
Fixed rate debt | 292.7 | 316.8 |
Fair value | Quoted Prices in Active Markets (Level 1) |  |  |
Fair value of financial instruments |  |  |
Cash and cash equivalents | 114.5 | 19.9 |
Fair value | Significant Observable Inputs (Level 2) |  |  |
Fair value of financial instruments |  |  |
Accounts and notes receivable, net | 182.3 | 174.7 |
Variable rate debt |  | 24.0 |
Fixed rate debt | $ 292.7 | $ 316.8 |

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