Quarterly report pursuant to Section 13 or 15(d)

Product Warranty (Reconciliation Of Product Warranties) (Details)

v2.4.0.6
Product Warranty (Reconciliation Of Product Warranties) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Movement in Standard Product Warranty Accrual [Roll Forward]        
Balance at beginning of period $ 9,453 $ 9,777 $ 10,452 $ 10,256
Charged to costs and expenses 1,218 1,131 3,183 3,202
Claims settled (960) (585) (3,917) (3,341)
Other 83 (294) 76 (88)
Balance at end of period $ 9,794 $ 10,029 $ 9,794 $ 10,029