Three Months Ended

December 31,

2011

2010

Numerator:

Income from continuing operations

$

144,297

$

104,365

Loss from discontinued operations

(11

)

(215

)

Net income

144,286

104,150

Adjustment for basic earnings per share:

Earnings allocated to unvested shareholders

(474

)

(309

)

Numerator for basic earnings per share:

From continuing operations

143,823

104,056

From discontinued operations

(11

)

(215

)

143,812

103,841

Adjustment for diluted earnings per share:

Effect of reallocating undistributed earnings of unvested shareholders

7

5

Numerator for diluted earnings per share:

From continuing operations

143,830

104,061

From discontinued operations

(11

)

(215

)

$

143,819

$

103,846

Denominator:

Denominator for basic earnings per share - weighted-average shares

107,186

106,031

Effect of dilutive shares from stock options and restricted stock

1,602

1,821

Denominator for diluted earnings per share - adjusted weighted-average shares

108,788

107,852

Basic earnings per common share:

Income from continuing operations

$

1.34

$

0.98

Loss from discontinued operations

—

Net income

$

1.34

$

0.98

Diluted earnings per common share:

Income from continuing operations

$

1.32

$

0.96

Loss from discontinued operations

—

Net income

$

1.32

$

0.96