Item 6. Selected Financial Data

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The following selected operating and balance sheet data, as of and for the years ended July 31, 2008, 2007, and 2006 have been derived from the audited consolidated financial statements of the Company. The following selected operating and balance sheet data, as of and for the years ended July 31, 2005 and 2004 have been derived from audited consolidated financial statements of the Company. The selected consolidated financial data should be read in conjunction with "Management's Discussion and Analysis of Financial Condition and Results of Operations" and the Company's consolidated financial statements and the notes thereto.


			Fiscal Year Ending July 31,
			2008			2007			2006			2005			2004
			(In 000's except per share and other data)
Operating Data
	Revenues		$	784,848		$	560,680		$	528,571		$	447,731		$	391,014
	Operating Income			237,917			203,145			171,562			156,436			124,461
	Income from continuing operations before income taxes			249,650			217,421			174,522			164,595			129,921
	Income tax expense			(92,718	)		(81,083	)		(61,862	)		(62,772	)		(50,929	)
	Income from continuing operations			156,932			136,338			112,660			101,823			78,992
	Income (loss) from discontinued operations, net of income tax effects			—			—			(15,713	)		293			228
	Net income			156,932			136,338			96,947			102,116			79,220
	Basic per share amounts:
		Income from continuing operations	$	1.80		$	1.50		$	1.24		$	1.13		$	0.89
		Discontinued operations	$	—		$	—		$	(0.17	)	$	—		$	—

		Net income per share	$	1.80		$	1.50		$	1.07		$	1.13		$	0.89

		Weighted average shares		87,412			90,651			90,372			90,162			89,457
	Diluted per share amounts:
		Income from continuing operations	$	1.75		$	1.46		$	1.21		$	1.10		$	0.87
		Discontinued operations	$	—		$	—		$	(0.17	)	$	—		$	—

		Net income per share	$	1.75		$	1.46		$	1.04		$	1.10		$	0.87

		Weighted average shares		89,858			93,455			92,925			92,984			91,537
Balance Sheet Data
	Cash, cash equivalents and short-term investments		$	38,954		$	210,246		$	279,850		$	253,643		$	199,141
	Working capital		$	84,501		$	247,850		$	328,017		$	293,696		$	228,535
	Total assets		$	956,247		$	1,014,600		$	899,240		$	793,884		$	692,981
	Total debt		$	2,240		$	2,793		$	—		$	—		$	16
	Shareholders' equity		$	798,996		$	880,866		$	809,970		$	709,379		$	602,263
Other Data
	Number of storage facilities			143			131			122			117			107

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