CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 4,022	$ 11,059
Accounts receivable:
Trade - less allowance for doubtful accounts of $5,055 ($4,720 in 2012)	311,549	313,182
Other	43,053	43,074
Inventories - net, at lower of average cost or market	135,887	177,397
Prepaid expenses and other current assets	40,037	39,248
Deferred income taxes	9,458	12,296
Total current assets	544,006	596,256
Property and equipment:
Marine transportation equipment	3,170,433	3,029,219
Land, buildings and equipment	205,460	189,894
Property and equipment	3,375,893	3,219,113
Accumulated depreciation	1,005,090	903,948
Property and equipment - net	2,370,803	2,315,165
Investment in affiliates	2,156	1,808
Goodwill	591,405	596,030
Other assets	174,147	143,869
Total assets	3,682,517	3,653,128
Current liabilities:
Current portion of long-term debt	0	65,000
Income taxes payable	2,915	2,369
Accounts payable	177,375	156,763
Accrued liabilities:
Interest	5,494	1,628
Insurance premiums and claims	49,162	44,589
Employee compensation	42,613	39,561
Taxes - other than on income	12,160	10,760
Other	19,572	17,493
Deferred revenues	36,698	16,857
Total current liabilities	345,989	355,020
Long-term debt - less current portion	749,150	1,070,110
Deferred income taxes	544,110	426,096
Other long-term liabilities	21,115	94,848
Total long-term liabilities	1,314,375	1,591,054
Contingencies and commitments
Kirby stockholders' equity:
Common stock, $.10 par value per share. Authorized 120,000,000 shares, issued 59,776,000 in 2013 and 2012	5,978	5,978
Additional paid-in capital	410,615	397,785
Accumulated other comprehensive income - net	(16,793)	(61,127)
Retained earnings	1,692,140	1,439,079
Treasury stock - at cost, 2,930,000 shares in 2013 and 3,191,000 in 2012	(81,254)	(86,747)
Total Kirby stockholders' equity	2,010,686	1,694,968
Noncontrolling interests	11,467	12,086
Total equity	2,022,153	1,707,054
Total liabilities and equity	$ 3,682,517	$ 3,653,128