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Fair Value Disclosures (Tables) | 6 Months Ended
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Jun. 30, 2011
Fair Value Disclosures |
Financial Assets and Liabilities Measured at Fair Value |
|  | June 30, 2011 |  |  | December 31, 2010 |
(in millions) |  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total |
Assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred compensation plan investments |  | $ | 44.2 |  |  | $ | — |  |  | $ | — |  |  | $ | 44.2 |  |  | $ | 46.7 |  |  | $ | — |  |  | $ | — |  |  | $ | 46.7 |
Available-for-sale investment |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 5.0 |  |  |  | — |  |  |  | — |  |  |  | 5.0 |
Liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative financial instruments |  | $ | — |  |  | $ | 28.0 |  |  | $ | — |  |  | $ | 28.0 |  |  | $ | — |  |  | $ | 36.9 |  |  | $ | — |  |  | $ | 36.9 |
Fair Value of Notes Receivable and Notes Payable |
|  |  | June 30, 2011 |  |  | December 31, 2010 |
(in millions) |  | Carrying Value |  |  | Estimated Fair Value |  |  | Carrying Value |  |  | Estimated Fair Value |  |
Notes receivable — affiliates |  | $ | — |  |  | $ | — |  |  | $ | 3.2 |  |  | $ | 3.2 |  |
Fixed rate notes payable (1) |  |  | 2,204.5 |  |  |  | 2,282.6 |  |  |  | 2,333.5 |  |  |  | 2,386.0 |  |
Floating rate notes payable |  |  | 229.6 |  |  |  | 216.0 |  |  |  | 230.3 |  |  |  | 212.7 |  |
(1) | At December 31, 2010, this includes a $500 million term loan entered into in 2007, and $16.6 million of a construction loan entered into in 2008 which are effectively fixed by the use of interest rate swaps but evaluated for estimated fair value at the floating rate. The $500 million term loan was repaid in June 2011 from the net proceeds received from our $500 million debt offering also completed in June 2011 and with cash on hand.

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- Definition Fair Value Disclosures. + Details
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- Definition Fair Value Of Notes Receivable And Notes Payable. + Details
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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + Details
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