XML 38 R26.htm IDEA: XBRL DOCUMENT v2.4.0.6
Short-Term Borrowings and Long-Term Debt (Details) (2011 Loan Agreement, USD $)
In Millions, unless otherwise specified
1 Months Ended 3 Months Ended
Feb. 29, 2012
Mar. 31, 2013
2011 Loan Agreement
   
Short-Term Borrowings and Long-Term Debt    
Maximum amount of loan   $ 3
Variable interest rate base, SVB prime rate   SVB prime
Percentage points added to the reference rate   2.50%
SVB prime rate (as a percent)   4.00%
Amount borrowed 1.0  
Period for repayment of debt 2 years 6 months  
Financial covenant, minimum amount of unrestricted cash, cash equivalents and marketable securities plus all outstanding borrowings   20
Amount outstanding   $ 0.6