Business Segments (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Segment Reporting Information [Line Items]
Identifiable assets	$ 1,870.6		$ 1,870.6		$ 1,879.4
External revenue	1,221.3	$ 1,244.9	3,549.2	$ 3,689.7
Operating income (loss)	38.8	47.7	109.4	108.3
Operating Segments | YRC Freight
Segment Reporting Information [Line Items]
Identifiable assets	1,324.2		1,324.2		1,351.5
External revenue	777.9	789.2	2,228.6	2,322.0
Operating income (loss)	20.8	16.7	53.3	39.4
Operating Segments | Regional Transportation
Segment Reporting Information [Line Items]
Identifiable assets	723.7		723.7		652.9
External revenue	443.7	455.7	1,321.3	1,367.7
Operating income (loss)	21.9	33.6	64.9	75.9
Corporate/ Eliminations
Segment Reporting Information [Line Items]
Identifiable assets	(177.3)		(177.3)		$ (125.0)
External revenue	(0.3)	0.0	(0.7)	0.0
Operating income (loss)	$ (3.9)	$ (2.6)	$ (8.8)	$ (7.0)