Business Segments (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Segment Reporting Information [Line Items]
Identifiable assets	$ 1,886.0		$ 1,886.0		$ 1,879.4
External revenue	1,207.6	$ 1,258.4	2,327.9	$ 2,444.8
Operating income (loss)	57.2	56.9	70.6	60.6
Operating Segments \| YRC Freight
Segment Reporting Information [Line Items]
Identifiable assets	1,381.2		1,381.2		1,351.5
External revenue	755.0	795.2	1,450.7	1,532.8
Operating income (loss)	28.4	22.5	32.5	22.7
Operating Segments \| Regional Transportation
Segment Reporting Information [Line Items]
Identifiable assets	666.4		666.4		652.9
External revenue	452.8	463.2	877.6	912.0
Operating income (loss)	30.6	37.7	43.0	42.3
Corporate/ Eliminations
Segment Reporting Information [Line Items]
Identifiable assets	(161.6)		(161.6)		$ (125.0)
External revenue	(0.2)	0.0	(0.4)	0.0
Operating income (loss)	$ (1.8)	$ (3.3)	$ (4.9)	$ (4.4)

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.18)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 12
-Article 7

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1(d))
-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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