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Guarantees and Product Warranties (Tables)
 12 Months Ended
Dec. 31, 2012
Commitments and Contingencies Disclosure [Abstract]  
Changes in warranty liability balance
Changes in the Company’s warranty liability balance are illustrated in the following table:
 
2012
 
2011
Balance at January 1
$
63,355

 
$
78,313

Current period accruals (1)
74,015

 
49,825

Current period settlements
(55,619
)
 
(64,783
)
Balance at December 31
$
81,751

 
$
63,355

(1) Includes the impact of foreign exchange rate fluctuations.