Business Segments (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013
Segment Reporting Information [Line Items]
Identifiable assets	$ 2,179.5		$ 2,179.5		$ 2,064.9
External revenue	1,317.6	1,242.5	2,528.5	2,405.0
Operating income (loss)	20.0	14.3	(12.4)	24.2
YRC Freight [Member]
Segment Reporting Information [Line Items]
Identifiable assets	1,545.5		1,545.5		1,513.4
External revenue	842.1	797.6	1,598.9	1,551.4
Operating income (loss)	(0.3)	(8.5)	(32.8)	(6.1)
Regional Transportation [Member]
Segment Reporting Information [Line Items]
Identifiable assets	743.1		743.1		698.4
External revenue	475.5	444.9	929.6	853.6
Operating income (loss)	23.2	25.2	31.1	37.2
Corporate / Eliminations [Member]
Segment Reporting Information [Line Items]
Identifiable assets	(109.1)		(109.1)		(146.9)
External revenue	0	0	0	0
Operating income (loss)	$ (2.9)	$ (2.4)	$ (10.7)	$ (6.9)