Quarter Ended

Year Ended

Dec. 31,

Percentage

Mar. 31,

Percentage

Jun. 30,

Percentage

Sept. 30,

Percentage

Sept. 30,

Percentage

2013

of Revenue

2014

of Revenue

2014

of Revenue

2014

of Revenue

2014

of Revenue

Health Services

$

216,544

$

230,953

$

228,703

$

230,450

$

906,650

U.S. Federal Services

82,040

92,645

76,550

90,605

341,840

Human Services

108,008

115,417

114,646

114,351

452,422

Revenue

406,592

439,015

419,899

435,406

1,700,912

Health Services

168,350

179,337

173,803

171,432

692,922

U.S. Federal Services

53,728

59,393

51,918

66,008

231,047

Human Services

78,598

79,613

81,575

85,034

324,820

Cost of revenue

300,676

318,343

307,296

322,474

1,248,789

Health Services

48,194

22.3

%

51,616

22.3

%

54,900

24.0

%

59,018

25.6

%

213,728

23.6

%

U.S. Federal Services

28,312

34.5

%

33,252

35.9

%

24,632

32.2

%

24,597

27.1

%

110,793

32.4

%

Human Services

29,410

27.2

%

35,804

31.0

%

33,071

28.8

%

29,317

25.6

%

127,602

28.2

%

Gross profit

105,916

26.0

%

120,672

27.5

%

112,603

26.8

%

112,932

25.9

%

452,123

26.6

%

Health Services

22,650

10.5

%

21,907

9.5

%

25,747

11.3

%

27,868

12.1

%

98,172

10.8

%

U.S. Federal Services

11,525

14.0

%

13,226

14.3

%

10,586

13.8

%

12,358

13.6

%

47,695

14.0

%

Human Services

17,074

15.8

%

18,528

16.1

%

19,470

17.0

%

19,372

16.9

%

74,444

16.5

%

Other / Corporate

17

563

35

(1

)

614

Selling, general and administrative expenses

51,266

12.6

%

54,224

12.4

%

55,838

13.3

%

59,597

13.7

%

220,925

13.0

%

Health Services

25,544

11.8

%

29,709

12.9

%

29,153

12.7

%

31,150

13.5

%

115,556

12.7

%

U.S. Federal Services

16,787

20.5

%

20,026

21.6

%

14,046

18.3

%

12,239

13.5

%

63,098

18.5

%

Human Services

12,336

11.4

%

17,276

15.0

%

13,601

11.9

%

9,945

8.7

%

53,158

11.7

%

Other / Corporate

(17

)

(563

)

(35

)

1

(614

)

Amortization of intangible assets

(1,353

)

(1,468

)

(1,542

)

(1,527

)

(5,890

)

Total operating income

$

53,297

13.1

%

$

64,980

14.8

%

$

55,223

13.2

%

$

51,808

11.9

%

$

225,308

13.2

%

Quarter Ended

Year Ended

Dec. 31,

Percentage

Mar. 31,

Percentage

Jun. 30,

Percentage

Sept. 30,

Percentage

Sept. 30,

Percentage

2012

of Revenue

2013

of Revenue

2013

of Revenue

2013

of Revenue

2013

of Revenue

Health Services

$

147,051

$

164,754

$

171,710

$

208,050

$

691,565

U.S. Federal Services

28,080

32,342

44,853

61,983

167,258

Human Services

111,135

129,255

117,760

114,306

472,456

Revenue

286,266

326,351

334,323

384,339

1,331,279

Health Services

113,483

125,132

130,629

149,985

519,229

U.S. Federal Services

16,829

17,658

23,844

35,233

93,564

Human Services

79,424

86,117

85,290

81,622

332,453

Cost of revenue

209,736

228,907

239,763

266,840

945,246

Health Services

33,568

22.8

%

39,622

24.0

%

41,081

23.9

%

58,065

27.9

%

172,336

24.9

%

U.S. Federal Services

11,251

40.1

%

14,684

45.4

%

21,009

46.8

%

26,750

43.2

%

73,694

44.1

%

Human Services

31,711

28.5

%

43,138

33.4

%

32,470

27.6

%

32,684

28.6

%

140,003

29.6

%

Gross profit

76,530

26.7

%

97,444

29.9

%

94,560

28.3

%

117,499

30.6

%

386,033

29.0

%

Health Services

16,986

11.6

%

17,670

10.7

%

20,168

11.7

%

28,307

13.6

%

83,131

12.0

%

U.S. Federal Services

6,697

23.8

%

7,107

22.0

%

7,374

16.4

%

9,950

16.1

%

31,128

18.6

%

Human Services

17,395

15.7

%

21,130

16.3

%

20,481

17.4

%

19,964

17.5

%

78,970

16.7

%

Other / Corporate

992

(230

)

(177

)

13

598

Selling, general and administrative expenses

42,070

14.7

%

45,677

14.0

%

47,846

14.3

%

58,234

15.2

%

193,827

14.6

%

Health Services

16,582

11.3

%

21,952

13.3

%

20,913

12.2

%

29,758

14.3

%

89,205

12.9

%

U.S. Federal Services

4,554

16.2

%

7,577

23.4

%

13,635

30.4

%

16,800

27.1

%

42,566

25.4

%

Human Services

14,316

12.9

%

22,008

17.0

%

11,989

10.2

%

12,720

11.1

%

61,033

12.9

%

Other / Corporate

(992

)

230

177

(13

)

(598

)

Amortization of intangible assets

(1,144

)

(1,171

)

(1,160

)

(1,408

)

(4,883

)

Acquisition-related expenses

(148

)

(16

)

(1,174

)

(830

)

(2,168

)

Total operating income

$

33,168

11.6

%

$

50,580

15.5

%

$

44,380

13.3

%

$

57,027

14.8

%

$

185,155

13.9

%