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v2.4.0.8

Income Taxes (Components of Deferred Income Taxes) (Details) (USD $) In Thousands, unless otherwise specified | May 31, 2014 | May 31, 2013 | May 31, 2012
--- | --- | --- | ---
Deferred tax assets: |  |  |
Allowance for doubtful accounts | $ 4,835 | $ 5,322 |
Inventory obsolescence | 11,682 | 12,220 |
Insurance and contingencies | 36,032 | 33,984 |
Stock-based compensation | 23,890 | 17,513 |
Foreign tax credit carry-forward | 4,266 | 5,397 |
Treasury locks | 6,924 | 8,020 |
Other | 30,526 | 20,030 |
Deferred tax assets, gross | 118,155 | 102,486 |
Valuation allowance | (13,358) | (12,789) | (9,054)
Deferred tax assets, net | 104,797 | 89,697 |
Deferred tax liabilities: |  |  |
In service inventory | 150,439 | 131,334 |
Property | 90,155 | 123,904 |
Intangibles | 81,215 | 99,267 |
Investment in partnerships | 93,227 | 4,025 |
State taxes and other | 24,650 | 18,819 |
Deferred tax liabilities | 439,686 | 377,349 |
Net deferred tax liability | $ 334,889 | $ 287,652 |

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