ACCOUNTS RECEIVABLE (Details)	Jun. 30, 2012 USD ($)	Dec. 31, 2011 USD ($)	Jun. 30, 2012 Fixed Rate 2017 Notes and Factoring Agreement [Member] USD ($)	Jun. 30, 2012 Fixed Rate 2017 Notes and Factoring Agreement [Member] CZK	Dec. 31, 2011 Fixed Rate 2017 Notes and Factoring Agreement [Member] USD ($)	Dec. 31, 2011 Fixed Rate 2017 Notes and Factoring Agreement [Member] CZK	Jun. 30, 2012 Factoring Agreement [Member] CZECH REPUBLIC [Member] USD ($)	Jun. 30, 2012 Factoring Agreement [Member] CZECH REPUBLIC [Member] CZK	Dec. 31, 2011 Factoring Agreement [Member] CZECH REPUBLIC [Member] USD ($)	Dec. 31, 2011 Factoring Agreement [Member] CZECH REPUBLIC [Member] CZK
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unrelated Customers	$ 217,002,000	$ 204,747,000
Less allowance for bad debts and credit notes	(16,336,000)	(13,555,000)
Related Parties	1,173,000	1,020,000
Less allowance for bad debts and credit allowances	(116,000)	(55,000)
Total accounts receivable	201,723,000	192,157,000
Receivables Pledged As Collateral Related To Factoring Aggreement			$ 23,400,000	476,200,000	$ 35,400,000	719,900,000	$ 16,400,000	333,300,000	$ 26,800,000	545,800,000