Annual report pursuant to Section 13 and 15(d)

Consolidated Deferred Tax Asset and Liability (Detail)

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Consolidated Deferred Tax Asset and Liability (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Deferred tax assets:    
Financial statement accruals not currently deductible $ 6,146 $ 6,303
Net operating loss, AMT credit and other carryforwards 58,702 54,327
State taxes 103 100
Other 3,014 2,864
Total deferred tax assets 67,965 63,594
Valuation allowance for deferred tax assets (2,913) (2,798)
Net deferred tax assets 65,052 60,796
Deferred tax liabilities:    
Excess of net book value of property, plant, equipment and software for financial reporting purposes over tax basis 5,032 8,794
Excess of net book value of intangible assets for financial reporting purposes over tax basis 100,040 89,824
Unrecognized tax benefits 1,325 3,852
Total deferred tax liabilities 106,397 102,470
Net deferred tax liabilities $ (41,345) $ (41,674)