XML 51 R20.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Debt (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2012
Debt |
Schedule of interest income and expense and other financing costs, net |
|  | For the Three Months ended |  | For the Six Months ended |
|  | June 30, |  | June 30, |
|  | 2012 |  | 2011 |  | 2012 |  | 2011 |
Interest income |  | $ | 253 |  | $ | 147 |  | $ | 525 |  | $ | 226 |
Interest expense and other financing costs |  | (5,690 | ) | (4,445 | ) | (10,623 | ) | (7,049 | )
|  | $ | (5,437 | ) | $ | (4,298 | ) | $ | (10,098 | ) | $ | (6,823 | )

X
- Details
Name: | us-gaap_DebtDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the components of non-operating income or non-operating expense that may include amounts earned from dividends, interest on securities, gains (losses) on securities sold, equity earnings of unconsolidated affiliates, net gain (loss) on sales of business, interest expense and other miscellaneous income or expense items. + References No definition available. + Details
Name: | us-gaap_ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration