Quarterly Financial Data (Unaudited)

12 Months Ended

Dec. 31, 2012

Quarterly Financial Data (Unaudited) [Abstract]

Quarterly Financial Data (Unaudited)

(16) Quarterly Financial Data (Unaudited):

($ in thousands, except per share amounts)
2012	First Quarter		Second Quarter		Third Quarter		Fourth Quarter		Total Year
Revenue	$	1,268,054	$	1,258,777	$	1,252,469	$	1,232,553	$	5,011,853
Operating income		208,458		267,784		275,196		235,730		987,168
Net income attributable to common shareholders of Frontier		26,768		17,989		67,000		24,879		136,636
Basic net income per common share attributable
to common shareholders of Frontier	$	0.03	$	0.02	$	0.07	$	0.02	$	0.14
2011
Revenue	$	1,346,697	$	1,322,255	$	1,290,939	$	1,283,152	$	5,243,043
Operating income		250,593		238,280		180,291		230,457		899,621
Net income attributable to common shareholders of Frontier		54,711		32,261		20,395		42,247		149,614
Basic net income per common share attributable
to common shareholders of Frontier	$	0.05	$	0.03	$	0.02	$	0.04	$	0.15

The quarterly net income per common share amounts are rounded to the nearest cent.  Annual net income per common share may vary depending on the effect of such rounding.

We recognized $35.1 million ($21.7 million or $0.02 per share after tax), $28.6 million ($18.1 million or $0.02 per share after tax), $4.5 million ($2.9 million or $0.00 per share after tax), and $13.5 million ($9.1 million or $0.01 per share after tax) of acquisition and integration costs during the first, second, third and fourth quarters of 2012, respectively.

We recognized $6.5 million ($4.0 million or $0.00 per share after tax), $1.5 million ($0.9 million or $0.00 per share after tax), $6.8 million ($4.5 million or $0.00 per share after tax), and $17.2 million ($11.5 million or $0.01 per share after tax) of severance costs during the first, second, third and fourth quarters of 2012, respectively.

We recognized $13.2 million ($8.2 million or $0.01 per share after tax), $20.3 million ($12.6 million or $0.01 per share after tax), $67.4 million ($41.6 million or $0.04 per share after tax), and $42.2 million ($26.1 million or $0.03 per share after tax) of acquisition and integration costs during the first, second, third and fourth quarters of 2011, respectively.

We recognized $0.1 million ($0.1 million or $0.00 per share after tax), $11.0 million ($6.8 million or $0.01 per share after tax), $3.6 million ($2.2 million or $0.00 per share after tax), and $1.1 million ($0.7 million or $0.00 per share after tax) of severance costs during the first, second, third and fourth quarters of 2011, respectively.