U.K. Pension Plan Net Periodic Benefit Cost - Freightliner U.K. Pension Plan [Member] $ in Thousands	9 Months Ended
	Dec. 31, 2015 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 10,911
Interest cost	8,475
Expected return on plan assets	(12,029)
Exchange rate changes	291
Net periodic benefit cost	$ 7,648