Industry Segment and Geographic Area Data (Table Text Block)

3 Months Ended

Jun. 30, 2016

Jun. 30, 2015

Geographic Areas, Long-Lived Assets [Abstract]

Industry Segment and Geographic Area Data

		United States		Canada		Consolidated
		(Unaudited)
		(All amounts are in thousands U.S. $'s)
Quarter Ended June 30, 2016
Total revenues	$	880,947	$	42,462	$	923,409
Depreciation and amortization, net of (gains) losses on disposal		102,000		1,323		103,323
Interest expense		26,644		–		26,644
Pretax earnings		224,913		8,218		233,131
Income tax expense		83,745		2,213		85,958
Identifiable assets		8,269,109		274,700		8,543,809

		United States		Canada		Consolidated
		(Unaudited)
		(All amounts are in thousands U.S. $'s)
Quarter Ended June 30, 2015
Total revenues	$	841,463	$	43,342	$	884,805
Depreciation and amortization, net of (gains) losses on disposal		56,739		(979)		55,760
Interest expense		21,989		111		22,100
Pretax earnings		259,127		9,881		269,008
Income tax expense		95,095		2,628		97,723
Identifiable assets		6,874,093		216,541		7,090,634