Accounts Payable and Accrued Liabilities (Details Textual) (USD $) In Millions, unless otherwise specified	3 Months Ended	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2011	Dec. 31, 2010
Segment Reporting Information [Line Items]
Severance expenses	$ 5.0
Accounts Payable And Accrued Liabilities (Textual) [Abstract]
Percentage of individual items in net current liabilities		5.00%
Individual item in other accrued liabilities		less than 5% of total current liabilities
Accounts payable, trade creditors	51.4	51.4	47.3
Settlement of accounts payable outstanding		1 year
Americas [Member]
Segment Reporting Information [Line Items]
Severance expenses		0.6
EMEA [Member]
Segment Reporting Information [Line Items]
Severance expenses		3.0
Asia Pacific [Member]
Segment Reporting Information [Line Items]
Severance expenses		$ 1.4