Income Taxes (Details Textual) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Additional Income Taxes (Textual) [Abstract]
Additions for tax positions related to the current year	$ 3.8	$ 3.3	$ 5.8
Additions for tax positions of prior years	16.4	9.3	7.5
Reductions for tax positions of prior years	0.1	5.6	4.5
Tax refunds received, net of payments made	2.5	16.0	85.6
Net operating loss carryforwards, utilization	42.9
Taxes and interest in a preliminary assessment of made by Swiss Tax Inspector	13.3	11.2
Deferred tax asset, recorded as component of income tax expense	60.9	60.1	(23.8)
Expiry period of Federal tax loss carryforwards	between 2024 and 2031
Income Taxes (Textual) [Abstract]
Accrued interest and penalties	13.3	11.2
Expiration of statute of limitations	(0.9)	(0.8)	(0.1)
Amounts expected to settle	3.3
Reduction in income tax expense	2.1	4.8
Income (loss) from continuing operations before income taxes for United States operations	224.4	113.7	(158.4)
Income (loss) from continuing operations before income taxes for foreign operations	13.1	2.9	11.5
Unrecognized tax benefits including interest and penalties that would affect the Company's effective tax rate if recognized	19.4	14.9
TRIP Holdings [Member]
Additional Income Taxes (Textual) [Abstract]
Tax loss carryforwards	383.3
Swiss Subsidiary [Member]
Additional Income Taxes (Textual) [Abstract]
Payment of taxes and interest	2.8
Tax refunds received, net of payments made	1.8
Domestic Country [Member]
Additional Income Taxes (Textual) [Abstract]
Net operating loss carryforwards	124.2
Foreign Country [Member]
Additional Income Taxes (Textual) [Abstract]
Tax loss carryforwards	37.8
Expiry period of Federal tax loss carryforwards	Between 2014 and 2021
State and Local Jurisdiction [Member]
Additional Income Taxes (Textual) [Abstract]
Net operating loss carryforwards	$ 5.6