Consolidated Statements of Operations - USD ($) shares in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
OPERATING REVENUES	$ 546,299,000	$ 432,543,000	$ 1,485,548,000	$ 1,223,385,000
OPERATING EXPENSES:
Labor and benefits	158,675,000	121,152,000	456,089,000	353,179,000
Equipment rents	44,630,000	22,934,000	110,145,000	61,866,000
Purchased services	55,291,000	24,861,000	135,849,000	77,257,000
Depreciation and amortization	48,303,000	40,277,000	138,568,000	116,130,000
Diesel fuel used in train operations	34,264,000	36,089,000	101,856,000	115,403,000
Electricity used in train operations	5,164,000	437,000	10,530,000	909,000
Casualties and insurance	11,466,000	8,702,000	30,027,000	31,071,000
Materials	25,140,000	21,195,000	70,764,000	56,710,000
Trackage rights	21,765,000	14,174,000	57,270,000	40,461,000
Net gain on sale of assets	(1,174,000)	(1,237,000)	(1,981,000)	(3,444,000)
Other expenses	25,216,000	20,843,000	86,801,000	65,743,000
Total operating expenses	428,740,000	309,427,000	1,195,918,000	915,285,000
INCOME FROM OPERATIONS	117,559,000	123,116,000	289,630,000	308,100,000
Interest income	225,000	82,000	375,000	1,357,000
Interest expense	(17,464,000)	(12,654,000)	(48,744,000)	(44,109,000)
Loss on settlement of foreign currency forward purchase contracts	0	0	(18,686,000)	0
Other (loss)/income, net	(103,000)	(949,000)	545,000	446,000
Income before income taxes	100,217,000	109,595,000	223,120,000	265,794,000
Provision for income taxes	(36,855,000)	(36,945,000)	(83,017,000)	(92,412,000)
Net income	$ 63,362,000	$ 72,650,000	$ 140,103,000	$ 173,382,000
Basic earnings per common share	$ 1.12	$ 1.31	$ 2.47	$ 3.14
Weighted average shares - Basic	56,819	55,600	56,673	55,167
Diluted earnings per common share	$ 1.10	$ 1.27	$ 2.42	$ 3.05
Weighted average shares - Diluted	57,846	57,014	57,833	56,943