XML 85 R69.htm IDEA: XBRL DOCUMENT v2.4.0.6
COMMITMENTS AND CONTINGENCIES Purchase Obligation (Details) (Purchase Commitment [Member], USD $)
In Thousands, unless otherwise specified
Mar. 31, 2012
Dec. 31, 2011
Purchase Commitment [Member]
   
Unrecorded Unconditional Purchase Obligation [Line Items]    
Total $ 337,672 $ 361,800
Less Than 1 Year 135,507  
1 to 3 Years 170,220  
3 To 5 Years 31,945  
More Than 5 Years $ 0