Network Optimization (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Restructuring Cost and Reserve [Line Items]
Restructuring transaction costs	$ 0	$ 0	$ 17.8
Impairment charges	1.5
Restructuring Reserve [Roll Forward]
Balance	0.5	4.4	13.5
Network Optimization charges	6.3
Payments			(9.1)
Payments and other adjustments	(6.0)	(3.9)
Balance	0.8	0.5	4.4
Employee Separation [Member]
Restructuring Reserve [Roll Forward]
Balance	0	0	2.6
Network Optimization charges	1.3
Payments			(2.6)
Payments and other adjustments	(1.1)	0
Balance	0.2	0	0
Contract Termination And Other Costs [Member]
Restructuring Reserve [Roll Forward]
Balance	0.5	4.4	10.9
Network Optimization charges	5.0
Payments			(6.5)
Payments and other adjustments	(4.9)	(3.9)
Balance	0.6	0.5	4.4
YRC Freight [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring transaction costs	$ 7.8