Consolidated Statement Of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Operating Activities
Net earnings (loss)	$ (26,190)	$ (56,070)	$ 33,051
Adjustments to reconcile net earnings to net cash provided by operating activities:
Gain on sale of business (pre-tax)	(424)	(17,069)	(82,163)
Depreciation and amortization	19,430	32,789	36,789
Provision for losses on trade and installment receivables	754	1,775	3,689
Provision (benefit) for deferred income taxes	3,588	(2,387)	2,017
Provision (benefit) for other deferred liabilities	266	1,393	(146)
Provision for stock-based compensation	4,013	5,626	5,957
Loss on disposals of property and equipment	5,135	1,074	666
Asset write-downs to intangible assets	0	13,041	1,523
Asset write-downs related to restructuring activities	0	1,163	0
Amortization of convertible debt discount	796	710	633
Changes in operating assets and liabilities:
Trade receivables	9,164	17,211	9,706
Installment sales contracts, net	283	15	(3,773)
Inventories	11,610	(9,527)	23,797
Other current assets	5,283	1,950	(2,070)
Accounts payable	(7,240)	8,329	(19,013)
Accrued expenses	(22,003)	34,113	1,396
Other long-term liabilities	(9,843)	(25,244)	(2,005)
Net Cash (Used) Provided by Operating Activities	(5,378)	8,892	10,054
Investing Activities
Purchases of property and equipment	(7,522)	(12,327)	(14,158)
Proceeds from sale of property and equipment	23,117	2,521	885
Proceeds from sale of businesses	13,700	21,870	187,552
Decrease in other long-term assets	15,003	20,949	1,001
Other	78	569	65
Net Cash Provided for Investing Activities	44,376	33,582	175,345
Financing Activities
Proceeds from revolving lines of credit and long-term borrowings	219,603	255,658	352,455
Payments on revolving lines of credit and long-term borrowings	(232,808)	(286,712)	(545,874)
Proceeds from exercise of equity awards	2,402	480	512
Payment of financing costs	(1,954)	0	0
Payment of dividends	(1,589)	(1,584)	(1,581)
Net Cash Used by Financing Activities	(14,346)	(32,158)	(194,488)
Effect of exchange rate changes on cash	(3,528)	(1,170)	83
Increase (decrease) in cash and cash equivalents	21,124	9,146	(9,006)
Cash and cash equivalents at beginning of year	38,931	29,785	38,791
Cash and cash equivalents at end of year	$ 60,055	$ 38,931	$ 29,785