Variable Interest Entities - Carrying Values of Assets and Liabilities of Delphax Included on the Company's Consolidated Balance Sheet (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Mar. 31, 2019
Variable Interest Entity [Line Items]
Cash and cash equivalents	$ 27,434	$ 12,417
Accounts receivable, net	18,464	10,881
Total current assets	99,073	71,348
Total Assets	142,657	115,143
Accounts payable	12,540	11,409
Total current liabilities	56,118	52,794
Total Liabilities	109,310	86,309
Delphax | Reportable Legal Entities
Variable Interest Entity [Line Items]
Cash and cash equivalents	13	12
Accounts receivable, net	50	47
Other current assets	9	59
Total current assets	72	118
Other tax receivables-long-term	0	311
Total Assets	72	429
Accounts payable	96	2,151
Accrued expenses	392	3,158
Short-term debt	0	1,750
Total current liabilities	488	7,059
Total Liabilities	488	7,059
Net Liabilities	$ (416)	$ (6,630)