Business Segments (Details) (USD $) In Millions, unless otherwise specified	0 Months Ended	12 Months Ended
	Dec. 15, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Segment Reporting Information [Line Items]
Revenue from foreign sources		$ 158.3	$ 186.8	$ 170.8
Long-lived assets located in foreign countries		14.7	15.5	19.2
External revenue		4,850.5	4,868.8	4,334.6
Intersegment revenue		0	0	0
Operating income (loss)		24.1	(138.2)	(227.9)
Identifiable assets		2,225.5	2,485.8	2,571.6
Acquisition of property and equipment		(66.4)	(71.6)	(19.2)
Proceeds from disposal of property and equipment		50.4	67.5	81.4
Depreciation and amortization		183.8	195.7	201.0
Impairment charges		0	0	5.3
Equity investment impairment		30.8	0	12.3
YRC Freight [Member]
Segment Reporting Information [Line Items]
External revenue		3,206.9	3,203.0	2,884.8
Intersegment revenue		0	0	0
Operating income (loss)		(37.3)	(88.5)	(170.3)
Identifiable assets		1,315.4	1,410.0	1,591.0
Acquisition of property and equipment		(47.2)	(29.4)	(8.7)
Proceeds from disposal of property and equipment		54.1	48.5	77.7
Depreciation and amortization		119.8	102.9	108.0
Impairment charges				3.3
Equity investment impairment		0		0
Regional Transportation [Member]
Segment Reporting Information [Line Items]
External revenue		1,640.4	1,553.3	1,352.8
Intersegment revenue		0.2	1.0	1.1
Operating income (loss)		70.0	32.9	3.1
Identifiable assets		745.5	843.6	864.3
Acquisition of property and equipment		(19.0)	(33.1)	(6.6)
Proceeds from disposal of property and equipment		(0.2)	0.7	3.5
Depreciation and amortization		63.3	61.6	63.6
Impairment charges				2.0
Equity investment impairment		0		0
Truckload [Member]
Segment Reporting Information [Line Items]
Assets of disposal group	18.5
Loss on sale of assets recognized	4.6
External revenue		0	86.9	78.0
Intersegment revenue		0	12.0	31.6
Operating income (loss)		0	(18.9)	(10.2)
Identifiable assets		0	2.7	49.8
Acquisition of property and equipment		0	(0.6)	(0.6)
Proceeds from disposal of property and equipment		0	18.2	0
Depreciation and amortization		0	7.9	8.8
Impairment charges				0
Equity investment impairment		0		0
Corporate / Eliminations [Member]
Segment Reporting Information [Line Items]
External revenue		3.2	25.6	19.0
Intersegment revenue		(0.2)	(13.0)	(32.7)
Operating income (loss)		(8.6)	(63.7)	(50.5)
Identifiable assets		164.6	229.5	66.5
Acquisition of property and equipment		(0.2)	(8.5)	(3.3)
Proceeds from disposal of property and equipment		(3.5)	0.1	0.2
Depreciation and amortization		0.7	23.3	20.6
Impairment charges				0
Equity investment impairment		$ 30.8		$ 12.3