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
Mar. 31, 2013
Mar. 31, 2012
Reconciliation of Product Warranty Accrual [Roll Forward]    
Balance at beginning of period $ 10,209 $ 10,452
Charged to costs and expenses 1,515 1,179
Claims settled (1,934) (1,889)
Other (107) 91
Balance at end of period $ 9,683 $ 9,833