Earnings per Share (Tables)

6 Months Ended

Jun. 30, 2016

Earnings Per Share [Abstract]

Composition of Weighted-Average Common Shares (Denominator) Used in Basic and Diluted Earnings Per Share

The following table summarizes the composition of the weighted-average common shares (denominator) used in the basic and diluted earnings per share computations:

	For the Three Months Ended June 30,				For the Six Months Ended June 30,
	2016		2015		2016		2015
Weighted average common shares issued	105,563,455		105,563,455		105,563,455		105,563,455
Average treasury stock shares	(16,620,341	)	(16,445,760	)	(16,621,717	)	(15,480,232	)
Average unearned nonvested shares	(111,356	)	(195,303	)	(105,815	)	(189,561	)
Weighted average common shares and common stock equivalents used to calculate basic earnings per share	88,831,758		88,922,392		88,835,923		89,893,662
Additional common stock equivalents (nonvested stock) used to calculate diluted earnings per share	6,856		16,611		4,760		9,888
Weighted average common shares and common stock equivalents used to calculate diluted earnings per share	88,838,614		88,939,003		88,840,683		89,903,550

Common Stock Equivalents Not Included in Computation of Diluted Earnings Per Share

The following table shows the number of shares and the price per share related to common stock equivalents that were not included in the computation of diluted earnings per share for the six months endedJune 30 because to do so would have been antidilutive.

	2016			2015
		Price Range			Price Range
	Shares	From	To	Shares	From	To
Restricted Stock	81,887	7.57	9.84	146,933	5.26	9.26