XML 76 R60.htm IDEA: XBRL DOCUMENT v3.10.0.1
Segment Reporting (Reconciliation of Primary Measure of Segment Profitability to Income Before Income Tax Provision) (Detail) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Segment EBITDA $ 405,974 [1] $ 383,156 [1] $ 1,141,680 $ 1,065,311
Depreciation (148,232) (136,941) (423,866) (395,008)
Amortization of intangibles (26,871) (26,613) (79,444) (76,886)
Impairments and other operating items 1,998 (832) (6,106) (141,333)
Interest expense (32,078) (32,471) (96,874) (92,763)
Interest income 1,467 1,656 3,677 3,131
Other income, net 732 1,709 2,376 3,561
Foreign currency transaction gain (loss) (132) (1,864) (323) (3,502)
Income before income tax provision 202,858 187,800 541,120 362,511
Southern [Member]        
Segment EBITDA 70,159 [1] 63,171 [1] 207,853 199,280
Western [Member]        
Segment EBITDA 86,174 [1] 84,861 [1] 240,006 247,475
Eastern [Member]        
Segment EBITDA 83,721 [1] 74,018 [1] 225,950 209,315
Canada [Member]        
Segment EBITDA 68,819 [1] 74,369 [1] 195,390 200,283
Central [Member]        
Segment EBITDA 70,288 [1],[2] 64,607 [1],[2] 191,840 177,975
Exploration and Production [Member]        
Segment EBITDA 35,099 [1] 27,881 [1] 95,009 63,518
Corporate [Member]        
Segment EBITDA (8,286) [1],[2] (5,751) [1],[2] (14,368) (32,535)
Reportable Segments [Member]        
Segment EBITDA $ 414,260 $ 388,907 $ 1,156,048 $ 1,097,846
[1] For those items included in the determination of segment EBITDA, the accounting policies of the segments are the same as those described in the Company's most recent Annual Report on Form 10-K.
[2] Corporate functions include accounting, legal, tax, treasury, information technology, risk management, human resources, training and other administrative functions. Amounts reflected are net of allocations to the six operating segments.