Three Months Ended
September 30,

Nine Months Ended
September 30,

2012

2011

2012

2011

Net income (loss) applicable to common shares

$

8,244

$

(816

)

$

8,586

$

(1,772

)

Tax-effected interest expense attributable to convertible notes

1,808

—

Net income (loss) assuming dilution

$

10,052

$

(816

)

$

8,586

$

(1,772

)

Weighted average common shares outstanding:

Basic shares

45,664

45,202

45,511

45,061

Effect of stock-based compensation

422

—

295

—

Effect of convertible notes

13,351

—

Diluted shares

59,437

45,202

45,806

45,061

Earnings (loss) per share:

Basic

$

0.18

$

(0.02

)

$

0.19

$

(0.04

)

Diluted

$

0.17

$

(0.02

)

$

0.19

$

(0.04

)