Financial Information by Geographic Area Data

6 Months Ended

Sep. 30, 2012

Segments, Geographical Areas [Abstract]

12. Industry Segment and Geographic Area Data

12. Industry Segment and Geographic Area Data

	United States		Canada		Consolidated
	(Unaudited)
	(All amounts are in thousands of U.S. $'s)
Quarter ended September 30, 2012
Total revenues	$	692,822	$	48,495	$	741,317
Depreciation and amortization, net of (gains) losses on disposals		59,972		2,070		62,042
Interest expense		21,961		152		22,113
Pretax earnings		162,693		9,516		172,209
Income tax expense		60,267		2,522		62,789
Identifiable assets		4,984,218		152,746		5,136,964
Quarter ended September 30, 2011
Total revenues	$	656,095	$	47,086	$	703,181
Depreciation and amortization, net of (gains) losses on disposals		48,689		2,050		50,739
Interest expense		22,802		161		22,963
Pretax earnings		152,021		9,449		161,470
Income tax expense		57,681		2,778		60,459
Identifiable assets		4,269,467		133,670		4,403,137

	United States		Canada		Consolidated
	(Unaudited)
	(All amounts are in thousands of U.S. $'s)
Six months ended September 30, 2012
Total revenues	$	1,316,745	$	89,988	$	1,406,733
Depreciation and amortization, net of (gains) losses on disposals		116,935		4,043		120,978
Interest expense		45,300		304		45,604
Pretax earnings		282,077		17,520		299,597
Income tax expense		104,965		4,643		109,608
Identifiable assets		4,984,218		152,746		5,136,964
Six months ended September 30, 2011
Total revenues	$	1,257,186	$	88,960	$	1,346,146
Depreciation and amortization, net of (gains) losses on disposals		95,553		3,919		99,472
Interest expense		45,272		324		45,596
Pretax earnings		270,378		16,822		287,200
Income tax expense		103,010		4,956		107,966
Identifiable assets		4,269,467		133,670		4,403,137