For the years ended August 31 (in thousands of Canadian dollars except for per-share data)	Notes	2006	2005
Revenues		$593,650	$549,610
Operating expenses		401,905	376,994
		191,745	172,616
Depreciation	7,8	16,362	14,551
Amortization of deferred charges	7	3,267	1,181
Interest income, net	13	(3,385)	(2,272)
Earnings from continuing operations before income taxes		175,501	159,156
Income tax provision before undernoted	14	60,533	54,710
Future income tax recovery resulting from income tax rate changes, net	14	(8,791)	—
		51,742	54,710
Net earnings from continuing operations		123,759	104,446
Net earnings (loss) from discontinued operations	4	(252)	3,149
Net earnings		$123,507	$107,595
Earnings per share from continuing operations	12
- Basic		$2.30	$1.87
- Diluted		$2.26	$1.84
Earnings per share
- Basic		$2.30	$1.93
- Diluted		$2.26	$1.90
Retained earnings - beginning of year		$342,550	$283,912
Net earnings		123,507	107,595
Dividends		(16,117)	(11,160)
Shares repurchased - excess of purchase price over carrying value	12	(61,249)	(36,406)
Impact of adoption of a new accounting policy	1	—	(1,391)
Retained earnings - end of year		$388,691	$342,550

See accompanying notes.