Industry Segment and Geographic Area Data (Table Text Block)

3 Months Ended

6 Months Ended

Sep. 30, 2019

Sep. 30, 2019

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 September 30, 2019
Total revenues	$	1,092,762	$	57,452	$	1,150,214
Depreciation and amortization, net of (gains) losses on disposal		154,968		2,883		157,851
Interest expense		38,261		861		39,122
Pretax earnings		200,112		5,242		205,354
Income tax expense		47,534		1,494		49,028
Identifiable assets		12,441,917		414,285		12,856,202
Quarter Ended September 30, 2018
Total revenues	$	1,049,846	$	54,661	$	1,104,507
Depreciation and amortization, net of (gains) losses on disposal		137,537		997		138,534
Interest expense		34,324		706		35,030
Pretax earnings		208,208		7,452		215,660
Income tax expense		50,107		2,011		52,118
Identifiable assets		10,963,411		360,434		11,323,845

		United States		Canada		Consolidated
		(Unaudited)
		(All amounts are in thousands of U.S. $'s)
Six Months Ended September 30, 2019
Total revenues	$	2,121,336	$	108,127	$	2,229,463
Depreciation and amortization, net of (gains) losses on disposal		296,866		6,027		302,893
Interest expense		76,481		1,529		78,010
Pretax earnings		370,959		9,109		380,068
Income tax expense		88,648		2,672		91,320
Identifiable assets		12,441,917		414,285		12,856,202
Six Months Ended September 30, 2018
Total revenues	$	2,021,141	$	102,943	$	2,124,084
Depreciation and amortization, net of (gains) losses on disposal		268,916		2,076		270,992
Interest expense		68,873		1,411		70,284
Pretax earnings		371,470		13,387		384,857
Income tax expense		89,884		3,582		93,466
Identifiable assets		10,963,411		360,434		11,323,845