Earnings per Share (Tables)

6 Months Ended

Jun. 30, 2018

Earnings Per Share [Abstract]

Schedule of Calculation of Numerator and Denominator in Earnings Per Share

	Three Months Ended June 30,				Six Months Ended June 30,
	2018		2017		2018		2017
Numerator:
Net income from continuing operations	$	47,006	$	41,461	$	92,032	$	98,885
Income from discontinued operations, net of tax	1,208		7,440		9,695		15,149
Net income (numerator for diluted EPS)	48,214		48,901		101,727		114,034
Less: Preference stock dividend	8		10		16		19
Income attributable to common stockholders (numerator for basic EPS)	$	48,206	$	48,891	$	101,711	$	114,015
Denominator:
Weighted-average shares used in basic EPS	187,180		186,333		187,004		186,136
Effect of dilutive shares	934		1,044		1,053		809
Weighted-average shares used in diluted EPS	188,114		187,377		188,057		186,945
Basic earnings per share:
Continuing operations	$	0.25	$	0.22	$	0.49	$	0.53
Discontinued operations	0.01		0.04		0.05		0.08
Net Income	$	0.26	$	0.26	$	0.54	$	0.61
Diluted earnings per share:
Continuing operations	$	0.25	$	0.22	$	0.49	$	0.53
Discontinued operations	0.01		0.04		0.05		0.08
Net Income	$	0.26	$	0.26	$	0.54	$	0.61
Anti-dilutive shares not used in calculating diluted weighted-average shares	12,453		9,916		11,959		11,379