Net Income Per Common Share (Tables)

6 Months Ended

Jun. 30, 2012

Net Income Per Common Share [Abstract]

Reconciliation of net income per common share

The reconciliation of the net income per common share calculation is as follows:

	For the three months ended						For the six months ended
($ and shares in thousands, except per share amounts)	June 30,						June 30,
	2012			2011			2012			2011
Net income used for basic and diluted earnings per common share:
Net income attributable to common shareholders of Frontier	$	17,989		$	32,261		$	44,757		$	86,972
Less:  Dividends paid on unvested restricted stock awards		(735	)		(955	)		(1,472	)		(1,921	)
Total basic and diluted net income attributable to common shareholders of Frontier	$	17,254		$	31,306		$	43,285		$	85,051
Basic earnings per common share:
Total weighted average shares and unvested restricted stock awards outstanding - basic		998,462			994,482			996,989			994,413
Less:  Weighted average unvested restricted stock awards		(7,279	)		(5,125	)		(7,120	)		(4,933	)
Total weighted average shares outstanding - basic		991,183			989,357			989,869			989,480
Net income per share attributable to common shareholders of Frontier	$	0.02		$	0.03		$	0.04		$	0.09
Diluted earnings per common share:
Total weighted average shares outstanding - basic		991,183			989,357			989,869			989,480
Effect of dilutive shares		-			805			10			1,446
Effect of dilutive stock units		-			-			704			442
Total weighted average shares outstanding - diluted		991,183			990,162			990,583			991,368
Net income per share attributable to common shareholders of Frontier	$	0.02		$	0.03		$	0.04		$	0.09