Note 4 - Income Taxes (Tables)

12 Months Ended

Aug. 29, 2015

Income Tax Disclosure [Abstract]

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

Year ended	August 29, 2015			August 30, 2014		August 31, 2013
Current:
Federal	$	65,656		$	54,005	$	39,455
Foreign		3,350			3,480		3,999
State		11,184			9,216		6,722
Total current	$	80,190		$	66,701	$	50,176
Deferred:
Federal	$	(2,705	)	$	6,838	$	17,514
Foreign		34			59		151
State		(550	)		1,828		3,083
Total deferred	$	(3,221	)	$	8,725	$	20,748
Total	$	76,969		$	75,426	$	70,924

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

	August 29, 2015			August 30, 2014			August 31, 2013
Income taxes at the statutory federal income tax rate		35.0	%		35.0	%		35.0	%
State income taxes		3.5			3.8			3.5
Adjustments to tax reserves		0.1			0.1			-0.1
Foreign tax rate differential		-0.7			-0.5			-0.8
Permanent and other		0.3			0.2			0.2
Total		38.2	%		38.6	%		37.8	%

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

	August 29, 2015		August 30, 2014
Deferred Tax Assets
Payroll and benefit related	$	22,533	$	22,129
Insurance related		14,565		13,935
Environmental		9,119		7,765
Other		10,438		7,769
Total deferred tax assets	$	56,655	$	51,598
Deferred Tax Liabilities
Tax in excess of book depreciation	$	36,888	$	37,152
Purchased intangible assets		33,428		31,100
Rental merchandise in service		51,772		52,745
Total deferred tax liabilities		122,088		120,997
Net deferred tax liability	$	65,433	$	69,399

Summary of Income Tax Contingencies [Table Text Block]

Balance at August 31, 2013	$	926
Additions based on tax positions related to the current year		430
Statute expirations		(186	)
Balance at August 30, 2014	$	1,170
Additions based on tax positions related to the current year		395
Statute expirations		(253	)
Balance at August 29, 2015	$	1,312