Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2011

Assets and Liabilities Measured at Fair Value on a Recurring Basis

September 30, 2011

Fair Value Measurements Using

Assets/Liabilities at Fair Value

Level 1

Level 2

Level 3

(in thousands)

Assets:

Short-term investments and available-for-sale

securities (1)

$4,726

Liabilities:

Acquisition-related contingent consideration

$8,182

December 31, 2010

Fair Value Measurements Using

Assets/Liabilities at Fair Value

Level 1

Level 2

Level 3

(in thousands)

Assets:

Short-term investments and available-for-sale

securities (1)

$46,428

Liabilities:

Interest rate swap agreements (2)

$3,311

(1)

Consists of available-for-sale securities traded on active markets as well as certain short-term investments that are highly liquid and actively traded in over-the-counter markets.

(2)

Consists of interest rate swap agreements based on the LIBOR whose value is determined using a pricing model with inputs that are observable in the market or can be derived principally from, or corroborated by, observable market data.

- Definition

This element represents the disclosure related to the fair value measurement of assets and liabilities which includes [financial] instruments measured at fair value that are classified in stockholders' equity. Such assets and liabilities may be measured on a recurring or nonrecurring basis. The disclosures which may be required or desired include: (1) for assets and liabilities measured on a recurring basis, disclosure may include: (a) the fair value measurements at the reporting date; (b) 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 or liabilities (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3); (c) for fair value measurements using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes during the period attributable to the following: (i) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets), and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (ii) purchases, sales, issuances, and settlements (net); (iii) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs); (d) the amount of the total gains or losses for the period in subparagraph (c) (i) above included in earnings (or changes in net assets) that are attributable to the change in unrealized gains or losses relating to those assets and liabilities still held at the reporting date and a description of where those unrealized gains or losses are reported in the statement of income (or activities); (e) the valuation technique(s) used to measure fair value and a discussion of changes in valuation techniques, if any, during the period and (2) for assets and liabilities that are measured at fair value on a nonrecurring basis (for example, impaired assets) disclosure may include, in addition to (a) above: (a) the reasons for the fair value measurements recorded; (b) the same as (b) above; (c) for fair value measurements using significant unobservable inputs (Level 3), a description of the inputs and the information used to develop the inputs; and (d) the valuation technique(s) used to measure fair value and a discussion of changes, if any, in the valuation technique(s) used to measure similar assets and/or liabilities in prior periods.

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