Basis of Presentation (Tables)

6 Months Ended

Jun. 30, 2011

Basis of Presentation

Reconciliation of basic earnings (loss) per share ("EPS") to diluted EPS

	Three Months Ended					Six Months Ended
(in thousands, except)	June 30,					June 30,
per-share amounts)	2011		2010			2011		2010
Earnings from continuing operations, net of tax	$	19,493	$	21,059		$	26,571	$	30,889
Loss from discontinued operations, net of tax	—		(14,356		)	—		(14,986		)
Net income available to common stockholders	$	19,493	$	6,703		$	26,571	$	15,903
Basic weighted average shares outstanding	49,404		49,417			49,753		49,403
Dilutive effect of potential common stock equivalents — stock options	52		181			56		156
Diluted weighted average shares outstanding	49,456		49,598			49,809		49,559
Net earnings (loss) per share — basic:
Continuing operations	$	0.39	$	0.43		$	0.53	$	0.63
Discontinued operations	—		(0.29		)	—		(0.30		)
Net income	0.39		0.14			0.53		0.32
Net earnings (loss) per share — diluted:
Continuing operations	$	0.39	$	0.42		$	0.53	$	0.62
Discontinued operations	—		(0.29		)	—		(0.30		)
Net income	0.39		0.14			0.53		0.32
Potentially dilutive securities excluded from earnings per diluted share because their effect is anti-dilutive	1,743		646			1,743		856

Stock option activity, including both continuing and discontinued operations of the entity

	Three Months Ended					Six Months Ended
	June 30,					June 30,
(in thousands)	2011		2010			2011			2010
Stock option expense recognized in operating expenses	$	845	$	218		$	2,293		$	585
Tax benefit of stock option expense in provision for income taxes	297		56			818			173
Stock option expense, net of tax	$	548	$	162		$	1,475		$	412
Fair value of shares vested	$	837	$	179		$	2,118		$	561
Proceeds to the Company from the exercise of stock options	$	—	$	863		$	154		$	955
Tax effect from exercise of stock options, including shortfall tax benefits	$	—	$	(9	)	$	(39	)	$	(83	)

	At June 30,
	2011		2010
Stock option cost capitalized in inventory	$	108	$	44

Schedule of effective tax rates and income tax expense

Three Months Ended					Six Months Ended
(in thousands, except)	June 30,						June 30,
percentage amounts)	2011			2010			2011			2010
Effective tax rate	37.6		%	37.8		%	39.0		%	39.2		%
Provision for income taxes	$	11,754		$	12,773		$	17,016		$	19,903