Discontinued Operations Assets and Liabilities (Details) (USD $)	Jun. 30, 2012	Dec. 31, 2011
Discontinued Operations [Line Items]
Accounts receivable, net		$ 7,647,000
Inventories		14,356,000
Prepaid and other current assets		953,000
Assets of discontinued operation - current	0	22,956,000
Property, plant and equipment, net		10,273,000
Other assets, net		17,143,000
Assets of discontinued operations - long-term	0	27,416,000
Accounts payable		4,352,000
Accrued compensation and related liabilities		548,000
Other current liabilities		446,000
Liabilities of discontinued operations - current	0	5,346,000
Liabilities of discontinued operations - long-term	0	8,474,000
Net assets of discontinued operations		36,552,000
Discontinued Operations [Abstract]
Goodwill of discontinued operations		2,800,000
Intangible assets of discontinued operations		$ 14,300,000