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Summarized Quarterly Financial Information (Unaudited)
 12 Months Ended
Dec. 31, 2015
Quarterly Financial Information Disclosure [Abstract]  
Summarized Quarterly Financial Information (Unaudited)
Summarized Quarterly Financial Information (Unaudited)
Summarized quarterly financial information is as follows:
2015
 
1st
 
2nd
 
3rd
 
4th
 
 
(in thousands, except per share data)
 
Quarter
 
Quarter
 
Quarter
 
Quarter
 
Total
 
 
 
 
 
 
 
 
 
 
 
Operating revenues
 
$
123,023

 
$
198,134

 
$
189,691

 
$
204,808

 
$
715,656

Costs and expenses
 
(124,214
)
 
(200,209
)
 
(173,962
)
 
(223,095
)
 
(721,480
)
Depreciation and amortization of intangibles
 
(8,295
)
 
(13,366
)
 
(16,273
)
 
(14,018
)
 
(51,952
)
Impairment of goodwill and intangibles
 
—

 
—

 
(24,613
)
 
—

 
(24,613
)
(Losses) gains, net on disposal of property, plant and equipment
 
(164
)
 
(215
)
 
(200
)
 
96

 
(483
)
Interest expense
 
(2,052
)
 
(4,225
)
 
(4,246
)
 
(4,576
)
 
(15,099
)
Miscellaneous, net
 
(1,436
)
 
387

 
1,061

 
(1,433
)
 
(1,421
)
Loss from continuing operations before income taxes
 
(13,138
)
 
(19,494
)
 
(28,542
)
 
(38,218
)
 
(99,392
)
Benefit for income taxes
 
(5,023
)
 
(6,539
)
 
(4,099
)
 
(17,094
)
 
(32,755
)
Net loss from continuing operations
 
(8,115
)
 
(12,955
)
 
(24,443
)
 
(21,124
)
 
(66,637
)
Net income (loss) from discontinued operations, net of tax
 
3,015

 
(18,448
)
 
—

 
(407
)
 
(15,840
)
Net loss
 
$
(5,100
)
 
$
(31,403
)
 
$
(24,443
)
 
$
(21,531
)
 
$
(82,477
)
Net loss from continuing operations per basic share of common stock
 
$
(0.14
)
 
$
(0.15
)
 
$
(0.29
)
 
$
(0.25
)
 
$
(0.86
)
Net income (loss) from discontinued operations per basic share of common stock
 
$
0.05

 
$
(0.22
)
 
$
—

 
$
—

 
$
(0.20
)
Net (loss) income from continuing operations per diluted share of common stock
 
$
(0.14
)
 
$
(0.15
)
 
$
(0.29
)
 
$
(0.25
)
 
$
(0.86
)
Net income (loss) from discontinued operations per diluted share of common stock
 
$
0.05

 
$
(0.22
)
 
$
—

 
$
—

 
$
(0.20
)
Weighted average shares outstanding:
 
 
 
 
 
 
 
 
 
 
Basic
 
57,335

 
83,903

 
84,107

 
83,775

 
77,373

Diluted
 
57,335

 
83,903

 
84,107

 
83,775

 
77,373

Cash dividends per share of common stock
 
$
—

 
$
1.03

 
$
—

 
$
—

 
$
1.03


2014
 
1st
 
2nd
 
3rd
 
4th
 
 
(in thousands, except per share data)
 
Quarter
 
Quarter
 
Quarter
 
Quarter
 
Total
 
 
 
 
 
 
 
 
 
 
 
Operating revenues
 
$
105,304

 
$
119,696

 
$
123,126

 
$
150,626

 
$
498,752

Costs and expenses
 
(102,037
)
 
(114,394
)
 
(111,721
)
 
(115,759
)
 
(443,911
)
Depreciation and amortization of intangibles
 
(7,487
)
 
(7,438
)
 
(8,706
)
 
(8,549
)
 
(32,180
)
(Losses) gains, net on disposal of property, plant and equipment
 
(35
)
 
(13
)
 
2,979

 
(59
)
 
2,872

Interest expense
 
(2,254
)
 
(2,041
)
 
(2,050
)
 
(2,149
)
 
(8,494
)
Miscellaneous, net
 
(143
)
 
(237
)
 
170

 
(7,483
)
 
(7,693
)
(Loss) income from continuing operations before income taxes
 
(6,652
)
 
(4,427
)
 
3,798

 
16,627

 
9,346

(Benefit) provision for income taxes
 
(2,472
)
 
(1,591
)
 
2,755

 
1,197

 
(111
)
Net (loss) income from continuing operations
 
(4,180
)
 
(2,836
)
 
1,043

 
15,430

 
9,457

Net income (loss) from discontinued operations, net of tax
 
3,568

 
(399
)
 
(2,384
)
 
287

 
1,072

Net (loss) income
 
$
(612
)
 
$
(3,235
)
 
$
(1,341
)
 
$
15,717

 
$
10,529

Net (loss) income from continuing operations per basic share of common stock
 
$
(0.07
)
 
$
(0.05
)
 
$
0.02


$
0.26

 
$
0.16

Net income (loss) from discontinued operations per basic share of common stock
 
$
0.06

 
$
(0.01
)
 
$
(0.04
)

$
0.01

 
$
0.02

Net (loss) income from continuing operations per diluted share of common stock
 
$
(0.07
)
 
$
(0.05
)
 
$
0.02


$
0.26

 
$
0.16

Net income (loss) from discontinued operations per diluted share of common stock
 
$
0.06

 
$
(0.01
)
 
$
(0.04
)

$
0.01

 
$
0.02

Weighted average shares outstanding:
 
 
 
 
 
 
 
 
 
 
Basic
 
56,084

 
56,043

 
56,469

 
56,763

 
56,342

Diluted
 
56,084

 
56,043

 
56,469

 
57,474

 
57,239

Cash dividends per share of common stock
 
$
—

 
$
—

 
$
—

 
$
—

 
$
—


The sum of the quarterly net income per share amounts may not equal the reported annual amount because each amount is computed independently based upon the weighted-average number of shares outstanding for the period.