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Valuation and Qualifying Accounts
 12 Months Ended
Dec. 31, 2011
Valuation and Qualifying Accounts

Schedule II — Valuation and Qualifying Accounts

Pentair, Inc and subsidiaries

 

in thousands    Balance
beginning in
period		      Additions
charged to
costs and
expenses		      Deductions     Other
changes
add (deduct)		    

Balance end

of period

  

Allowances for doubtful accounts

             

Year ended December 31, 2011

    $     17,119      $     4,447      $     4,724  (1)    $ (842 )(2)    $ 16,000  

Year ended December 31, 2010

    $ 14,154      $ 4,300      $ 1,152  (1)    $ (183 )(2)    $ 17,119  

Year ended December 31, 2009

    $ 8,925      $ 6,832      $ 2,449  (1)    $     846  (2)    $     14,154  

 

 

(1) Uncollectible accounts written off, net of expense

(2) Result of acquisitions and foreign currency effects