Year

Quarter Ended

Ended

Quarter Ended

Dec. 31,

Mar. 31,

Jun. 30,

Sept. 30,

Sept. 30,

Dec. 31,

Mar. 31,

2011

2012

2012

2012

2012

2012

2013

Revenue

$

239,603

$

243,452

$

266,353

$

300,737

$

1,050,145

$

286,266

$

326,351

Cost of revenue

179,756

178,686

187,652

216,108

762,202

209,736

228,907

Gross profit

59,847

64,766

78,701

84,629

287,943

76,530

97,444

Selling, general and administrative expenses

32,756

37,959

43,877

42,810

157,402

42,222

46,693

Acquisition-related expenses

—

233

1,877

766

2,876

148

16

Legal and settlement expense (recovery)

186

(824

)

(352

)

1,080

90

142

—

Income from operations

26,905

27,398

33,299

39,973

127,575

34,018

50,735

Interest and other income, net

1,104

824

1,164

1,084

4,176

1,106

637

Income before income taxes

28,009

28,222

34,463

41,057

131,751

35,124

51,372

Provision for income taxes

10,351

14,011

13,987

17,303

55,652

13,341

19,658

Income from continuing operations

17,658

14,211

20,476

23,754

76,099

21,783

31,714

Discontinued operations, net of income taxes:

Income (loss) from discontinued operations

—

—

—

—

—

(503

)

(91

)

Gain/(loss) on disposal

46

62

9

(83

)

34

36

66

Income from discontinued operations

46

62

9

(83

)

34

(467

)

(25

)

Net income

$

17,704

$

14,273

$

20,485

$

23,671

$

76,133

$

21,316

$

31,689

Basic earnings (loss) per share:

Income from continuing operations

$

0.26

$

0.21

$

0.30

$

0.35

$

1.12

$

0.32

$

0.47

Income (loss) from discontinued operations

—

—

—

—

—

(0.01

)

(0.01

)

Basic earnings per share

$

0.26

$

0.21

$

0.30

$

0.35

$

1.12

$

0.31

$

0.46

Diluted earnings (loss) per share:

Income from continuing operations

$

0.26

$

0.21

$

0.29

$

0.34

$

1.09

$

0.31

$

0.45

Income (loss) from discontinued operations

—

—

—

—

—

—

—

Diluted earnings per share

$

0.26

$

0.21

$

0.29

$

0.34

$

1.09

$

0.31

$

0.45

Dividends per share

$

0.045

$

0.045

$

0.045

$

0.045

$

0.18

$

0.045

$

0.045

Weighted average shares outstanding:

Basic

67,325

67,576

67,946

68,089

67,734

68,162

68,179

Diluted

69,115

69,455

69,736

70,066

69,611

69,752

69,909

Year

Quarter Ended

Ended

Quarter Ended

Dec. 31,

Mar. 31,

Jun. 30,

Sept. 30,

Sept. 30,

Dec. 31,

Mar. 31,

2011

2012

2012

2012

2012

2012

2013

Adjusted diluted earnings per share:

GAAP Diluted EPS from continuing operations

$

0.26

$

0.21

$

0.29

$

0.34

$

1.09

$

0.31

$

0.45

Legal & settlement expense and acquisition-related expenses

—

—

0.02

0.01

0.03

—

—

Terminated contract

—

—

—

—

—

—

(0.09

)

Tax adjustments

—

0.03

—

0.02

0.06

—

—

Adjusted diluted EPS

$

0.26

$

0.24

$

0.31

$

0.37

$

1.18

$

0.31

$

0.36