Business Segments (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Segment Reporting Information [Line Items]
Identifiable assets	$ 1,727.9		$ 1,770.0
External revenue	1,170.6	$ 1,120.3
Operating income (loss)	(3.0)	13.4
Operating Segments | YRC Freight
Segment Reporting Information [Line Items]
Identifiable assets	1,069.9		1,208.7
External revenue	728.9	695.7
Operating income (loss)	(10.5)	4.1
Operating Segments | Regional Transportation
Segment Reporting Information [Line Items]
Identifiable assets	667.5		642.9
External revenue	441.8	424.8
Operating income (loss)	12.2	12.4
Corporate/ Eliminations
Segment Reporting Information [Line Items]
Identifiable assets	(9.5)		$ (81.6)
External revenue	(0.1)	(0.2)
Operating income (loss)	$ (4.7)	$ (3.1)