XML 17 R54.htm IDEA: XBRL DOCUMENT v2.4.0.6
Income Taxes (Schedule Of Components Of Deferred Taxes) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2011
Dec. 31, 2010
Income Taxes [Abstract]    
Self-insurance reserves $ 115,201 $ 121,249
Compensation accruals 49,717 53,855
State and foreign net operating loss carryforwards and other state and foreign deferred tax assets 52,506 46,338
Other currently non-deductible accrued liabilities 19,699 19,016
Net pension liability-OCI only 13,959 9,268
Doubtful accounts and other reserves 17,345 31,046
Other combined items-OCI only 17,684 3,196
Deferred income tax assets, Gross 286,111 283,968
Less: Valuation Allowance (42,143) (32,352)
Net deferred income tax assets 243,968 251,616
Depreciable and amortizable assets (342,655) (299,566)
Other deferred tax liabilities (2,581) (4,570)
Total deferred tax liabilities $ (101,268) $ (52,520)