Consolidated Balance Sheets (USD $) In Thousands	Apr. 30, 2011	Jul. 31, 2010
Current assets:
Cash and cash equivalents	$ 192,148	$ 268,188
Accounts receivable, net	117,534	109,061
Vehicle pooling costs	16,334	29,890
Inventories	6,412	4,976
Income taxes receivable	4,844	10,958
Deferred income taxes	1,573
Prepaid expenses and other assets	14,521	14,342
Total current assets	353,366	437,415
Property and equipment, net	598,968	573,514
Intangibles, net	10,414	13,016
Goodwill	200,611	175,870
Deferred income taxes	9,438	10,213
Other assets	18,515	18,784
Total assets	1,191,312	1,228,812
Current liabilities:
Accounts payable and accrued liabilities	104,229	93,740
Deferred revenue	6,189	10,642
Income taxes payable	10,243	1,314
Deferred income taxes		1,154
Other current liabilities and current portion of long term debt	50,745	374
Total current liabilities	171,406	107,224
Deferred income taxes	9,482	9,748
Income taxes payable	25,127	23,369
Long-term debt	337,952	601
Other liabilities	1,003	636
Total liabilities	544,970	141,578
Commitments and contingencies
Shareholders' equity:
Common stock, no par value - 180,000 shares authorized; 68,944 and 84,363 shares issued and outstanding at April 30, 2011 and July 31, 2010, respectively	319,642	365,507
Accumulated other comprehensive loss	(20,168)	(32,741)
Retained earnings	346,868	754,468
Total shareholders' equity	646,342	1,087,234
Total liabilities and shareholders' equity	$ 1,191,312	$ 1,228,812