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Research and Development
6 Months Ended
Jun. 30, 2012
Research and Development [Abstract]  
Research and Development
Research and Development

The Company's net Research & Development ("R&D") expenditures are included in selling, general and administrative expenses of the Condensed Consolidated Statements of Operations. Customer reimbursements are netted against gross R&D expenditures as they are considered a recovery of cost. Customer reimbursements for prototypes are recorded net of prototype costs based on customer contracts, typically either when the prototype is shipped or when it is accepted by the customer. Customer reimbursements for engineering services are recorded when performance obligations are satisfied in accordance with the contract and accepted by the customer. Financial risks and rewards transfer upon shipment, acceptance of a prototype component by the customer or upon completion of the performance obligation as stated in the respective customer agreement.

The following table presents the Company’s gross and net expenditures on R&D activities:
 
Three Months Ended
June 30,
 
Six Months Ended
June 30,
(millions of dollars)
2012
 
2011
 
2012
 
2011
Gross R&D expenditures
$
76.7

 
$
76.1

 
$
152.9

 
$
145.2

Customer reimbursements
(10.1
)
 
(11.4
)
 
(18.6
)
 
(19.5
)
Net R&D expenditures
$
66.6

 
$
64.7

 
$
134.3

 
$
125.7



The Company has contracts with several customers at the Company's various R&D locations. No such contract exceeded 5% of annual net R&D expenditures in any of the periods presented.