Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Statement of Cash Flows [Abstract]
Net income/(loss)	$ 25,893	$ (10,039)
Adjustments to reconcile net income/(loss) to net cash provided by/(used in) operating activities
Depreciation and software amortization	3,941	5,236
Intangible asset amortization	113	375
Stock-based compensation	1,274	968
Net pension cost (payments)	856	557
Interest accretion on contingent consideration	742	2,081
Deferred income taxes	(821)	(1,160)
Gain on sale	(32,760)	0
Loss on disposal of assets	0	102
Other, net	614	0
Changes in assets and liabilities:
Decrease (increase) in accounts receivable, net and contract assets	8,871	7,377
Decrease (increase) in inventory	125	59
Decrease (increase) in prepaid expenses, income tax receivable and other assets	(9,725)	(5,317)
Increase (decrease) in accounts payable	11,138	(8,051)
Increase (decrease) in other accrued expenses and liabilities	(7,760)	(34,013)
Net cash provided by/(used in) operating activities	2,501	(41,825)
Cash flows from investing activities
Dispositions, net of cash transferred	3,929	0
Purchases of property, plant and equipment	(2,111)	(3,026)
Proceeds from sale of property, plant and equipment	0	18
Net cash provided by/(used in) investing activities	1,818	(3,008)
Cash flows from financing activities
Borrowings	9,000	20,000
Repayment of borrowings	(9,000)	(8,000)
Debt financing costs	(980)	(395)
Issuance of preferred stock, net of transaction fees	9,723	0
Issuance of common stock	(70)	(92)
Issuance of treasury stock	37	0
Payment of capital leases	(254)	(255)
Net cash provided by financing activities	8,456	11,258
Effect of exchange rate changes on cash and cash equivalents	(959)	644
Net increase (decrease) in cash and cash equivalents	11,816	(32,931)
Cash and cash equivalents at beginning of period	8,397	46,005
Cash and cash equivalents at end of period	20,213	13,074
Supplemental disclosures
Cash paid for interest	79	65
Cash received (paid) for income taxes	155	(34,248)
Non-cash investing and financing activities
Purchases of property, plant and equipment included in accounts payable	78	395
New capital lease obligations	$ 0	$ 58