Equity (Tables)

9 Months Ended

Sep. 28, 2013

Stockholders' Equity Note [Abstract]

Reconciliation of the Numerator and Denominator in the Computations of the Basic and Diluted Earnings Per Share

The following table illustrates the reconciliation of the numerator and denominator in the computations of the basic and diluted earnings per share:

	Three Months Ended						Nine Months Ended
	September 28, 2013			September 29, 2012			September 28, 2013			September 29, 2012
Numerator:
Income from continuing operations for purposes of calculating earnings per share	$	30,980		$	22,154		$	84,912		$	78,942
Income (loss) from discontinued businesses	(113		)	$	(182	)	$	(1,183	)	$	(63	)
Denominator:
Weighted-average shares outstanding—Basic	47,910,649			47,625,806			47,950,018			48,028,602
Effect of dilutive securities:
2.25% senior convertible debentures	—			—			—			—
Stock options and contingently issued restricted stock	530,516			482,808			704,118			447,544
Weighted-average shares outstanding—Diluted	48,441,165			48,108,614			48,654,136			48,476,146
Basic earnings per share from continuing operations attributable to common shareholders	$	0.65		$	0.47		$	1.77		$	1.64
Basic earnings (loss) per share from discontinued operations attributable to common shareholders	$	—		$	—		$	(0.02	)	$	—
Diluted earnings per share from continuing operations attributable to common shareholders	$	0.64		$	0.46		$	1.75		$	1.63
Diluted earnings (loss) per share from discontinued operations attributable to common shareholders	$	—		$	—		$	(0.02	)	$	—

Schedule of Number of Shares Repurchased and the Total Cost of Repurchase

Share repurchases for the nine months ended September 28, 2013 and September 29, 2012 were as follows:

	Nine Months Ended
	September 28, 2013		September 29, 2012
Number of shares of common stock repurchased	2,057,769		1,306,518
Total cost of repurchase	$	93,072	$	45,842

On July 30, 2013, our Board of Directors increased the stock repurchase authorization to $850,000 from $750,000.