Income Taxes (Income Tax Examinations) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	$ 69.6
SPAIN [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	46.9
Operating Loss Carryforwards, Expiration Dates	2025 - 2026
BRAZIL [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	6.3
Operating Loss Carryforwards, Expiration Dates	Indefinite
NEW ZEALAND [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	9.0
Operating Loss Carryforwards, Expiration Dates	Indefinite
Others [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	$ 7.4
Operating Loss Carryforwards, Expiration Dates	Various