Industry Segment and Geographic Area Data (Table Text Block)

6 Months Ended

Sep. 30, 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 September 30, 2018
Total revenues	$	1,049,846	$	54,661	$	1,104,507
Depreciation and amortization, net of (gains) losses on disposals		137,527		997		138,524
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
Quarter Ended September 30, 2017
Total revenues	$	988,808	$	53,878	$	1,042,686
Depreciation and amortization, net of (gains) losses on disposals		136,597		2,325		138,922
Interest expense		31,268		755		32,023
Pretax earnings		192,625		4,733		197,358
Income tax expense		71,280		1,439		72,719
Identifiable assets		9,621,634		461,256		10,082,890

		United States		Canada		Consolidated
		(Unaudited)
		(All amounts are in thousands of U.S. $'s)
Six Months Ended September 30, 2018
Total revenues	$	2,021,141	$	102,943	$	2,124,084
Depreciation and amortization, net of (gains) losses on disposals		268,906		2,076		270,982
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
Six Months Ended September 30, 2017
Total revenues	$	1,901,922	$	98,689	$	2,000,611
Depreciation and amortization, net of (gains) losses on disposals		268,096		3,829		271,925
Interest expense		60,911		1,457		62,368
Pretax earnings		384,558		11,486		396,044
Income tax expense		141,890		3,308		145,198
Identifiable assets		9,621,634		461,256		10,082,890