Note 11 - Income Taxes (Tables)

12 Months Ended

May 25, 2014

Income Tax Disclosure [Abstract]

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

Current:	Year ended May 25, 2014		Year ended May 26, 2013			Year ended May 27, 2012
Federal	$	4,785	$	2,808		$	4,597
State		157		(18	)		(586	)
Foreign		56		56			56
Total		4,998		2,846			4,067
Deferred:
Federal		5,059		6,218			2,641
State		526		388			477
Total		5,585		6,606			3,118
Income tax expense	$	10,583	$	9,452		$	7,185

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

	Year Ended May 25, 2014			Year Ended May 26, 2013			Year Ended May 27, 2012
Provision at U.S. statutory rate (1)	$	10,405		$	11,214		$	6,958
State income taxes, net of federal benefit		711			731			451
Change in valuation allowance		99			370			1
Tax-exempt interest		—			—			(40	)
Tax credit carryforwards		(378	)		(801	)		(368	)
Transaction costs		—			—			322
Domestic manufacturing deduction		(406	)		(172	)		(208	)
Change in value of contingent consideration		—			(1,450	)		—
Other		152			(440	)		69
Total	$	10,583		$	9,452		$	7,185

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

	May 25, 2014			May 26, 2013
Deferred tax assets:
Net operating loss carryforwards	$	3,630		$	3,853
Accruals and reserves		1,746			1,388
Stock-based compensation		723			621
Research and AMT credit carryforwards		495			486
Other		545			450
Gross deferred tax assets		7,139			6,798
Valuation allowance		(881	)		(783	)
Net deferred tax assets		6,258			6,015
Deferred tax liabilities:
Basis difference in investment in non-public company		(9,270	)		(5,505	)
Depreciation and amortization		(5,705	)		(5,822	)
Goodwill and other indefinite life intangibles		(19,360	)		(17,160	)
Deferred tax liabilities		(34,335	)		(28,487	)
Net deferred tax liabilities	$	(28,077	)	$	(22,472	)

Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]

	As of
	May 25, 2014			May 26, 2013		May 27, 2012
Unrecognized tax benefits – beginning of the period	$	998		$	766	$	760
Gross increases – tax positions in prior period		7			103		1
Gross decreases – tax positions in prior period		(48	)		—		(1	)
Gross increases – current-period tax positions		78			129		246
Lapse of statute of limitations		—			—		(240	)
Unrecognized tax benefits – end of the period	$	1,035		$	998	$	766