Variable Interest Entities - Revenue and Expenses of Delphax Included in the Company's Consolidated Statements of Operations (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Variable Interest Entity [Line Items]
Total	$ 73,300	$ 55,486	$ 171,181	$ 148,173
General and administrative	9,499	9,048	28,459	24,426
Operating Expenses	69,580	53,621	165,996	144,496
Operating Income from continuing operations	3,720	1,865	5,185	3,677
Non-operating Income (Expenses), net	(2,523)	(3,608)	(2,787)	(2,742)
Income (Loss) Before Income Taxes	1,197	(1,743)	2,398	935
Net income (loss)	$ 359	$ (2,317)	10,517	(462)
Delphax
Variable Interest Entity [Line Items]
Total			0	0
Cost of sales			0	0
General and administrative			182	216
Operating Expenses			182	216
Operating Income from continuing operations			(182)	(216)
Non-operating Income (Expenses), net			6,237	(133)
Income (Loss) Before Income Taxes			6,055	(349)
Income Taxes			0	0
Net income (loss)			$ 6,055	$ (349)