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Note 5 - Income Taxes (Detail) - Net deferred tax liability: (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Reserves and accrued liabilities $ 5,687 $ 5,326
Other 2,714 2,274
8,401 7,600
Depreciation 111,794 106,113
Prepaid expenses 2,526 2,584
114,320 108,697
Net deferred tax liability $ 105,919 $ 101,097