Statement of Consolidated Comprehensive Loss - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Statement of Comprehensive Income [Abstract]
Net Loss	$ 21.5	$ 0.7	$ (67.7)
Net actuarial gains (losses) and other adjustments	(69.5)	45.2	(126.4)
Amortization of prior net losses	13.7	14.1	12.7
Settlement adjustment	0.0	25.2	0.0
Changes in foreign currency translation adjustments	1.3	(12.0)	(4.1)
Reclassification of foreign currency translation gains to net income	(10.4)	0.0	0.0
Other comprehensive income (loss)	(64.9)	72.5	(117.8)
Comprehensive income (loss) attributable to YRC Worldwide Inc.	$ (43.4)	$ 73.2	$ (185.5)