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Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Cash Flows from Operating Activities      
Net loss $ (41,860) $ (130,937) $ (170,928)
Adjustments to reconcile net loss to net cash provided by operating activities      
(Income) loss from discontinued operations, net of tax 0 41,159 (10,138)
Loss on sale 0 0 9,501
Impairment of goodwill 34,510 38,669 209,938
Depreciation and software amortization 9,791 11,531 11,719
Intangible asset amortization 713 821 659
Stock-based compensation 2,662 2,673 5,442
Net pension cost (payments) 1,100 385 (257)
Interest accretion on contingent consideration 4,162 2,430 2,337
Adjustments to fair value of contingent consideration 0 7,018 0
Amortization of debt issuance costs 0 208 356
Deferred income taxes (10,959) 26,290 (41,569)
Other, net (27) (246) 319
Changes in assets and liabilities, net of acquisitions:      
Decrease (increase) in accounts receivable 7,416 14,945 7,238
Decrease (increase) in inventory 251 125 272
Decrease (increase) in prepaid expenses and other current assets 710 2,723 954
Increase (decrease) in accounts payable (10,398) 9,126 1,888
Increase (decrease) in other accrued expenses and liabilities (28,871) 23,045 (10,390)
Net cash provided by (used in) continuing operations (30,800) 49,965 17,341
Net cash provided by (used in) discontinued operations 0 (35,375) 15,945
Net cash provided by (used in) operating activities (30,800) 14,590 33,286
Cash Flows from Investing Activities      
Acquisitions, net of cash acquired 0 (3,500) (29,862)
Dispositions, net of cash transferred 0 0 4,974
Purchases of property, plant and equipment (5,684) (6,691) (7,907)
Proceeds from the sale of property, plant and equipment 18 755 (76)
Net cash used in investing activities within continuing operations (5,666) (9,436) (32,871)
Net cash provided by (used in) investing activities within discontinued operations 0 109,139 (3,269)
Net cash provided by (used in) investing activities (5,666) 99,703 (36,140)
Cash Flows from Financing Activities      
Borrowings 30,000 276,302 13,000
Repayment of borrowings (30,211) (353,614) (18,375)
Debt financing costs (635) (2,484) 0
Issuance of common stock (111) (233) (909)
Payment of capital leases (501) (168) 0
Excess tax benefits from stock-based compensation 0 0 14
Purchase of treasury stock 0 0 (4,619)
Issuance of treasury stock 0 186 193
Dividends paid 0 (5,285) (21,241)
Net cash used in financing activities (1,458) (85,296) (31,937)
Effect of exchange rate changes on cash and cash equivalents 316 444 (1,976)
Net increase (decrease) in cash and cash equivalents (37,608) 29,441 (36,767)
Cash and cash equivalents at beginning of year 46,005 16,564 53,331
Cash and cash equivalents at end of year 8,397 46,005 16,564
Supplemental Cash Flow Disclosures      
Cash paid for interest 292 5,672 1,679
Cash paid for income taxes, net of refunds 32,914 2,592 10,069
Purchases of property, plant and equipment included in accounts payable 1,434 298 315
New capital lease obligations $ 57 $ 1,259 $ 177