CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Cash flows from operating activities:
Net income (loss)	$ 394.0	$ 271.2	$ 218.0
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation of revenue earning equipment	2,445.0	2,049.0	1,800.0
Depreciation of property and equipment	205.3	172.6	158.0
Amortization of other intangible assets	121.5	83.9	70.0
Amortization and write-off of deferred financing costs	54.3	51.8	89.9
Amortization and write-off of debt discount	(5.6)	4.0	15.9
Stock-based compensation charges	34.8	30.3	31.1
Gain (loss) on derivatives	1.6	4.3	(8.0)
Loss on disposal of business, net	4.1	46.3	0
(Gain) loss on revaluation of foreign denominated debt	0	2.5	(26.6)
Impairment charges and other	40.0	0	0
(Income) loss from equity investments	(1.7)	0	0
Loss on extinguishment of debt	7.2	0	0
Provision for losses on doubtful accounts	45.9	38.3	28.2
Asset writedowns	0	0	23.2
Deferred taxes on income	269.7	132.7	68.9
Gain on sale of property and equipment	(3.9)	(8.3)	(43.5)
(Gain) loss on revaluation of investment	0	(8.5)	0
Changes in assets and liabilities, net of effects of acquisition:
Receivables	(34.7)	(149.2)	(73.6)
Inventories, prepaid expenses and other assets	(33.6)	(21.2)	1.3
Accounts payable	23.2	34.0	(1.2)
Accrued liabilities	23.6	(29.6)	(145.1)
Accrued taxes	24.5	40.4	23.0
Public liability and property damage	(3.7)	(4.3)	6.6
Net cash provided by operating activities	3,611.5	2,740.2	2,236.1
Cash flows from investing activities:
Net change in restricted cash and cash equivalents	(308.3)	(241.6)	(101.7)
Revenue earning equipment expenditures	(10,298.4)	(9,612.8)	(9,431.9)
Proceeds from disposal of revenue earning equipment	7,264.1	7,125.1	7,850.4
Property and equipment expenditures	(313.8)	(297.1)	(281.7)
Proceeds from disposal of property and equipment	73.0	122.0	53.8
Acquisitions, net of cash acquired	(254.0)	(1,905.2)	(227.1)
Purchase of short-term investments, net	0	0	(32.9)
Proceeds from disposal of business	0	84.5	0
Other investing activities	(1.5)	(1.8)	0.6
Net cash used in investing activities	(3,838.9)	(4,726.9)	(2,170.5)
Cash flows from financing activities:
Proceeds from issuance of long-term debt	1,774.7	2,237.3	3,062.5
Payment of long-term debt	(1,044.8)	(952.1)	(3,649.3)
Short-term borrowings:
Proceeds	596.4	438.4	460.9
Payments	(1,017.5)	(1,280.1)	(1,194.1)
Proceeds under the revolving lines of credit	9,511.6	6,463.6	5,106.8
Payments under the revolving lines of credit	(9,104.5)	(5,190.5)	(5,164.1)
Distributions to noncontrolling interest	0	0	(23.1)
Purchase of noncontrolling interest	0	(38.0)	0
Proceeds from employee stock purchase plan	5.1	4.3	3.6
Loan with Hertz Global Holdings, Inc.	(79.8)	(13.2)	(1.0)
Payment of financing costs	(54.3)	(49.4)	(91.5)
Dividends paid	(481.8)	(25.0)	(22.9)
Net cash provided by (used in) financing activities	105.1	1,595.3	(1,512.2)
Effect of foreign exchange rate changes on cash and cash equivalents	0	5.7	3.8
Net change in cash and cash equivalents during the period	(122.3)	(385.7)	(1,442.8)
Cash and cash equivalents at beginning of period	545.5	931.2	2,374.0
Cash and cash equivalents at end of period	423.2	545.5	931.2
Cash paid during the period for:
Interest (net of amounts capitalized)	631.8	535.1	615.7
Income taxes	70.9	71.7	49.6
Supplemental disclosures of non-cash flow information:
Purchases of revenue earning equipment included in accounts payable and accrued liabilities	289.1	247.0	153.6
Sales of revenue earning equipment included in receivables	357.3	618.6	620.7
Purchases of property and equipment included in accounts payable	55.6	35.0	53.3
Sales of property and equipment included in receivables	16.6	0.9	41.8
Noncash or Part Noncash Divestiture, Amount of Consideration Received	22.9	0	0
Debt Conversion, Converted Instrument, Amount	372.5	0	0
Capital Lease Obligations Incurred	52.4	130.3	64.2
Purchase of noncontrolling interest included in accounts payable	$ 0	$ 0	$ 38.0