Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Statement of Cash Flows [Abstract]
Net loss	$ (10,039)	$ (9,866)
Adjustments to reconcile net loss to net cash provided by operating activities
Income from discontinued operations, net of tax	0	(3,993)
Depreciation and software amortization	5,236	5,826
Intangible asset amortization	375	411
Stock-based compensation	968	1,607
Net pension cost (payments)	557	200
Interest accretion on contingent consideration	2,081	1,029
Adjustments to fair value of contingent consideration	0	(247)
Discount amortization	0	367
Deferred income taxes	(1,160)	1,651
Loss on disposal of assets	102	0
Other, net	0	28
Changes in assets and liabilities, net of acquisitions:
Decrease in accounts receivable, net	7,377	28,173
Decrease (increase) in inventory	59	(278)
Increase in prepaid expenses and other current assets	(5,317)	(2,847)
Decrease in accounts payable	(8,051)	(3,452)
Decrease in other accrued expenses and liabilities	(34,013)	(1,920)
Net cash (used in) provided by continuing operations	(41,825)	16,689
Net cash provided by discontinued operations	0	5,098
Net cash (used in) provided by operating activities	(41,825)	21,787
Cash flows from investing activities
Acquisitions, net of cash acquired	0	(3,500)
Purchases of property, plant and equipment	(3,026)	(5,651)
Proceeds from sale of property, plant and equipment	18	80
Net cash used in investing activities within continuing operations	(3,008)	(9,071)
Net cash used in investing activities within discontinued operations	0	(1,822)
Net cash used in investing activities	(3,008)	(10,893)
Cash flows from financing activities
Borrowings	20,000	92,269
Repayment of borrowings	(8,000)	(97,816)
Debt financing costs	(395)	(2,189)
Issuance of common stock	(92)	(184)
Issuance of treasury stock	0	67
Payment of capital leases	255	0
Dividends paid	0	(5,285)
Net cash provided by (used in) financing activities of continuing operations	11,258	(13,138)
Effect of exchange rate changes on cash and cash equivalents	644	(1,419)
Net decrease in cash and cash equivalents	(32,931)	(3,663)
Cash and cash equivalents at beginning of period	46,005	16,564
Cash and cash equivalents at end of period	13,074	12,901
Supplemental disclosures
Cash paid for interest	65	2,593
Cash paid for income taxes, net of refunds	34,248	2,069
Non-cash investing and financing activities
Purchases of property, plant and equipment included in accounts payable	395	270
New capital lease obligations	$ 58	$ 0