Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2015

Earnings Per Share [Abstract]

Comparison Of Basic And Diluted Earnings Per Share

The following table sets forth the comparison of basic and diluted earnings per share:

	Three Months Ended   March 31,
	2015		2014
Basic earnings per share:
Net income	$	124,356	$	176,972
Weighted average common shares outstanding	95,935,551		99,545,187
Basic earnings per share	$	1.30	$	1.78

	Three Months Ended   March 31,
	2015		2014
Diluted earnings per share:
Net income	$	124,356	$	176,972
Weighted average common shares outstanding	95,935,551		99,545,187
Share equivalents:
Stock options	1,116,871		1,463,958
RSUs and performance-based equity awards	509,971		565,611
Employee share purchase plan	14,636		9,906
Weighted average common shares and common share equivalents outstanding - diluted	97,577,029		101,584,662
Diluted earnings per share	$	1.27	$	1.74