Financial Information by Geographic Area Data

3 Months Ended

Sep. 30, 2011

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, 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
Quarter ended September 30, 2010
Total revenues	$	596,037	$	40,939	$	636,976
Depreciation and amortization, net of (gains) losses on disposals		44,037		1,996		46,033
Interest expense		21,601		187		21,788
Pretax earnings		129,062		7,271		136,333
Income tax expense		48,972		2,142		51,114
Identifiable assets		3,804,861		134,539		3,939,400

	United States		Canada		Consolidated
	(Unaudited)
	(All amounts are in thousands of U.S. $'s)
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
Six months ended September 30, 2010
Total revenues	$	1,145,820	$	77,103	$	1,222,923
Depreciation and amortization, net of (gains) losses on disposals		89,074		3,741		92,815
Interest expense		42,911		341		43,252
Pretax earnings		228,944		14,034		242,978
Income tax expense		87,123		4,134		91,257
Identifiable assets		3,804,861		134,539		3,939,400