XML 28 R37.htm IDEA: XBRL DOCUMENT

Share-Based Compensation Stock Options (Details) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation	$ 2.7	$ 3.5
Deferred share-based compensation on restricted share awards and restricted stock unit awards	8.3
Cash flow from income tax benefits in excess of recognized compensation expense	$ 3.5	$ 4.0
Shares available for future grant (in shares)	6,731,415

Reductions in the entity's income taxes that arise when compensation cost (from non-qualified share-based compensation) recognized on the entity's tax return exceeds compensation cost from equity-based compensation recognized in financial statements. This element represents the cash inflow reported in the enterprise's financing activities.

+ References+ Details