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U.K. Pension Plan Funded Status (Details) - Freightliner U.K. Pension Plan [Member]
$ in Thousands
9 Months Ended 12 Months Ended
Dec. 31, 2015
USD ($)
Dec. 31, 2015
USD ($)
Defined Benefit Plan Disclosure [Line Items]    
Defined benefit plan, contribution percent by employer   60.00%
Defined benefit plan, contribution percent by participant   40.00%
Projected benefit obligation (100%) $ 580,054 $ 580,054
Fair value of plan assets (100%) 462,177 462,177
Funded status (100%) (117,877) (117,877)
Employees' share of deficit (40%) (47,152) (47,152)
Net pension liability recognized in the balance sheet (60%) (70,725) (70,725)
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]    
Benefit obligation at March 25, 2015   359,941
Service cost 10,911  
Interest cost 8,475  
Benefits paid (5,890)  
Actuarial gain (21,731)  
Exchange rate changes (3,673)  
Benefit obligation at year end 348,033 348,033
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]    
Fair value of plan assets at March 25, 2015   274,787
Actual return on plan assets 1,609  
Benefits paid (5,890)  
Employer contributions 9,606  
Exchange rate changes (2,804)  
Fair value of plan assets at end of year 277,308 277,308
Funded status, December 31, 2015 $ (70,725) $ (70,725)