Securities and Exchange Commission

Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term (Deprecated 2012-01-31)

The period of time an equity-based award is expected to be outstanding. An equity-based award's expected term is generally determined based on, among other factors, the instrument's contractual term and the effects of employees' expected exercise and post-vesting employment termination behavior.

Compare To Other Companies

Annual (pure)

Value	Reported On	Form	FY	FP	Start Date	End Date	Fiscal Period
6.25	2011-02-24	10-K	2010	FY	2008-01-01	2008-12-31	CY2008
6.17	2011-02-24	10-K	2010	FY	2009-01-01	2009-12-31	CY2009
6.25	2011-02-24	10-K	2010	FY	2010-01-01	2010-12-31	CY2010

All Reported Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term (Deprecated 2012-01-31) (pure)

Value	Reported On	Form	FY	FP	Start Date	End Date	Fiscal Period
6.25	2011-02-24	10-K	2010	FY	2008-01-01	2008-12-31	CY2008
6.17	2011-02-24	10-K	2010	FY	2009-01-01	2009-12-31	CY2009
6.25	2011-02-24	10-K	2010	FY	2010-01-01	2010-12-31	CY2010

Annual (years)

Value	Reported On	Form	FY	FP	Start Date	End Date	Fiscal Period
6.25	2011-02-24	10-K	2010	FY	2008-01-01	2008-12-31	CY2008
6.17	2011-02-24	10-K	2010	FY	2009-01-01	2009-12-31	CY2009
6.25	2011-02-24	10-K	2010	FY	2010-01-01	2010-12-31	CY2010

All Reported Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term (Deprecated 2012-01-31) (years)

Value	Reported On	Form	FY	FP	Start Date	End Date	Fiscal Period
6.25	2011-02-24	10-K	2010	FY	2008-01-01	2008-12-31	CY2008
6.17	2011-02-24	10-K	2010	FY	2009-01-01	2009-12-31	CY2009
6.25	2011-02-24	10-K	2010	FY	2010-01-01	2010-12-31	CY2010