Supplemental Guarantor Information Consolidating Condensed Statement of Cash Flows (Details) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Condensed Financial Statements, Captions [Line Items]
Net Cash Provided (Used) by Operating Activities	$ (35,303,000)	$ (825,000)
Investing Activities
Purchases of property and equipment	(3,865,000)	(4,681,000)
Proceeds from sale of property and equipment	4,000	45,000
Proceeds from Divestiture of Businesses	150,800,000
Other long-term assets	(108,000)	(11,000)
Other	(19,000)	20,000
Net Cash Used for Investing Activities	140,693,000	(4,627,000)
Financing Activities
Proceeds from revolving lines of credit and long-term borrowings	115,950,000	75,508,000
Payments on revolving lines of credit and long-term borrowings	(234,696,000)	(72,480,000)
Payment of dividends	(396,000)	(397,000)
Net Cash Provided (Used) by Financing Activities	(119,142,000)	2,631,000
Effect of exchange rate changes on cash	42,000	565,000
Increase (decrease) in cash and cash equivalents	(13,710,000)	(2,256,000)
Cash and cash equivalents at beginning of year	38,791,000	34,924,000
Cash and cash equivalents at end of year	25,081,000	32,668,000
Proceeds from Divestiture of Business, net	144,681,000	0
The Company (Parent) [Member]
Condensed Financial Statements, Captions [Line Items]
Net Cash Provided (Used) by Operating Activities	9,297,000	(483,000)
Investing Activities
Purchases of property and equipment	(2,223,000)	(553,000)
Proceeds from sale of property and equipment	0	12,000
Proceeds from Divestiture of Businesses	0
Other long-term assets	(108,000)	0
Other	107,368,000	48,000
Net Cash Used for Investing Activities	105,037,000	(493,000)
Financing Activities
Proceeds from revolving lines of credit and long-term borrowings	114,762,000	73,694,000
Payments on revolving lines of credit and long-term borrowings	(232,490,000)	(71,902,000)
Payment of dividends	(396,000)	(397,000)
Net Cash Provided (Used) by Financing Activities	(118,124,000)	1,395,000
Effect of exchange rate changes on cash	0	0
Increase (decrease) in cash and cash equivalents	(3,790,000)	419,000
Cash and cash equivalents at beginning of year	5,774,000	3,642,000
Cash and cash equivalents at end of year	1,984,000	4,061,000
Combined Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Net Cash Provided (Used) by Operating Activities	(89,758,000)	1,074,000
Investing Activities
Purchases of property and equipment	(580,000)	(2,546,000)
Proceeds from sale of property and equipment	0	17,000
Proceeds from Divestiture of Businesses	144,681,000
Other long-term assets	0	0
Other	(52,956,000)	0
Net Cash Used for Investing Activities	91,145,000	(2,529,000)
Financing Activities
Proceeds from revolving lines of credit and long-term borrowings	0	1,814,000
Payments on revolving lines of credit and long-term borrowings	(2,206,000)	0
Payment of dividends	0	0
Net Cash Provided (Used) by Financing Activities	(2,206,000)	1,814,000
Effect of exchange rate changes on cash	0	0
Increase (decrease) in cash and cash equivalents	(819,000)	359,000
Cash and cash equivalents at beginning of year	1,018,000	2,104,000
Cash and cash equivalents at end of year	199,000	2,463,000
Combined Non-Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Net Cash Provided (Used) by Operating Activities	(7,929,000)	(1,416,000)
Investing Activities
Purchases of property and equipment	(1,062,000)	(1,582,000)
Proceeds from sale of property and equipment	4,000	16,000
Proceeds from Divestiture of Businesses	0
Other long-term assets	0	(11,000)
Other	0	(28,000)
Net Cash Used for Investing Activities	(1,058,000)	(1,605,000)
Financing Activities
Proceeds from revolving lines of credit and long-term borrowings	1,188,000	0
Payments on revolving lines of credit and long-term borrowings	0	(578,000)
Payment of dividends	(1,344,000)	0
Net Cash Provided (Used) by Financing Activities	(156,000)	(578,000)
Effect of exchange rate changes on cash	42,000	565,000
Increase (decrease) in cash and cash equivalents	(9,101,000)	(3,034,000)
Cash and cash equivalents at beginning of year	31,999,000	29,178,000
Cash and cash equivalents at end of year	22,898,000	26,144,000
Eliminations [Member]
Condensed Financial Statements, Captions [Line Items]
Net Cash Provided (Used) by Operating Activities	53,087,000	0
Investing Activities
Purchases of property and equipment	0	0
Proceeds from sale of property and equipment	0	0
Proceeds from Divestiture of Businesses	0
Other long-term assets	0	0
Other	(54,431,000)	0
Net Cash Used for Investing Activities	(54,431,000)	0
Financing Activities
Proceeds from revolving lines of credit and long-term borrowings	0	0
Payments on revolving lines of credit and long-term borrowings	0	0
Payment of dividends	1,344,000	0
Net Cash Provided (Used) by Financing Activities	1,344,000	0
Effect of exchange rate changes on cash	0	0
Increase (decrease) in cash and cash equivalents	0	0
Cash and cash equivalents at beginning of year	0	0
Cash and cash equivalents at end of year	$ 0	$ 0