XML 63 R97.htm IDEA: XBRL DOCUMENT

Income Taxes (Valuation Allowance) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended							12 Months Ended		3 Months Ended		12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2012 Net operating losses in Luxembourg subsidiaries	Dec. 31, 2011 Net operating losses in Luxembourg subsidiaries	Dec. 31, 2012 U.S. losses and other federal deferred tax benefits	Dec. 31, 2011 U.S. losses and other federal deferred tax benefits	Dec. 31, 2012 Luxembourg	Dec. 31, 2011 Luxembourg	Dec. 31, 2012 Sirius Re Holdings Inc.	Dec. 31, 2012 Guilford Holdings, Inc. UNITED STATES	Dec. 31, 2012 Non-controlling Interests
Valuation Allowance [Line Items]
Valuation allowance	$ 254.0	$ 232.6		$ 192.0	$ 225.5	$ 62.0	$ 6.9
Income Tax Expense (Benefit) Resulted in from Release of Valuation Allowance Against Deferred Tax Asset								(41.3)	(129.5)
Change in valuation allowance	(14.1)	128.2	2.6							(3.9)	(37.8)	(13.7)
Foreign tax credit carryforwards, subject to expiration										$ 4.6

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

+ References+ Details

- Definition

The portion of the difference between total income tax expense or benefit as reported in the Income Statement and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to changes in the valuation allowance for deferred tax assets in the period.

+ References+ Details