U.K. Pension Plan Amount recognized in Other Comprehensive Income (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
Dec. 31, 2015	Dec. 31, 2016
Freightliner U.K. Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Net actuarial loss/(gain)	$ 13,198	$ (25,234)

Amount before tax, after reclassification adjustments, of actuarial gain (loss) that has not been recognized in the income statement.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 10A
-Subparagraph (i)
-URI http://asc.fasb.org/extlink&oid=66004124&loc=SL7669646-108580

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (i)
-URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920

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