Industry Segment and Geographic Area Data (Table Text Block)

9 Months Ended

Dec. 31, 2018

Geographic Areas, Long-Lived Assets [Abstract]

Industry Segment and Geographic Area Data

		United States		Canada		Consolidated
		(Unaudited)
		(All amounts are in thousands of U.S. $'s)
Quarter Ended December 31, 2018
Total revenues	$	880,767	$	38,324	$	919,091
Depreciation and amortization, net of (gains) losses on disposals		147,868		2,259		150,127
Interest expense		34,051		776		34,827
Pretax earnings		100,832		2,190		103,022
Income tax expense		(23,828)		(559)		(24,387)
Identifiable assets		11,285,627		360,133		11,645,760
Quarter Ended December 31, 2017
Total revenues	$	805,692	$	37,190	$	842,882
Depreciation and amortization, net of (gains) losses on disposals		(51,211)		1,820		(49,391)
Interest expense		30,824		734		31,558
Pretax earnings		269,830		1,749		271,579
Income tax (expense) benefit		264,361		(7,046)		257,315
Identifiable assets		10,186,992		309,967		10,496,959

		United States		Canada		Consolidated
		(Unaudited)
		(All amounts are in thousands of U.S. $'s)
Nine Months Ended December 31, 2018
Total revenues	$	2,901,908	$	141,267	$	3,043,175
Depreciation and amortization, net of (gains) losses on disposals		416,784		4,335		421,119
Interest expense		102,924		2,187		105,111
Pretax earnings		472,302		15,577		487,879
Income tax expense		(113,712)		(4,141)		(117,853)
Identifiable assets		11,285,627		360,133		11,645,760
Nine Months Ended December 31, 2017
Total revenues	$	2,707,614	$	135,879	$	2,843,493
Depreciation and amortization, net of (gains) losses on disposals		216,885		5,649		222,534
Interest expense		91,735		2,191		93,926
Pretax earnings		654,388		13,235		667,623
Income tax (expense) benefit		115,855		(3,738)		112,117
Identifiable assets		10,186,992		309,967		10,496,959