For the Quarter Ended

March 31,
2012

June 30,
2012

September
30, 2012

December
31, 2012

Net sales revenue

$

92,868

$

92,991

$

91,232

$

90,377

Cost of sales

(23,729

)

(22,610

)

(23,144

)

(23,841

)

Gross profit

69,139

70,381

68,088

66,536

Volume incentives

33,581

33,540

33,155

32,991

Selling, general and administrative

26,384

26,530

26,228

27,719

Operating income

9,174

10,311

8,705

5,826

Other income (expense)

(110

)

165

(214

)

1,639

Income before income taxes

9,064

10,476

8,491

7,465

Tax provision

1,836

3,190

2,121

2,969

Net income

$

7,228

$

7,286

$

6,370

$

4,496

Basic and diluted net income per common share

Basic:

Net income per common share

$

0.46

$

0.47

$

0.41

$

0.28

Diluted:

Net income per common share

$

0.46

$

0.46

$

0.40

$

0.28

Dividends declared per common share

$

—

$

0.05

$

0.05

$

0.05

For the Quarter Ended

March 31,
2011

June 30,
2011

September
30, 2011

December
31, 2011

Net sales revenue

$

92,844

$

91,811

$

91,102

$

92,056

Cost of sales

(23,501

)

(22,040

)

(21,957

)

(21,911

)

Gross profit

69,343

69,771

69,145

70,145

Volume incentives

34,298

33,390

32,733

33,462

Selling, general and administrative

27,424

28,329

26,767

27,086

Contract termination costs

—

—

14,750

—

Operating income (loss)

7,621

8,052

(5,105

)

9,597

Other income (expense)

265

(420

)

1,204

798

Income (loss) before income taxes

7,886

7,632

(3,901

)

10,395

Tax provision (benefit)

1,264

2,018

(1,645

)

2,774

Net income (loss)

$

6,622

$

5,614

$

(2,256

)

$

7,621

Basic and diluted net income (loss) per common share

Basic:

Net income per common share

$

0.43

$

0.36

$

(0.14

)

$

0.49

Diluted:

Net income per common share

$

0.43

$

0.36

$

(0.14

)

$

0.48

Dividends declared per common share

$

—

$

—

$

—

$

—