Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2011

Summary of Significant Accounting Policies

Summary of warranty activity

(In thousands)	2011			2010			2009
Warranty reserves, beginning of the year	$	5,037		$	4,078		$	2,863
Accruals for warranties issued during the year		4,003			4,399			4,623
Reductions related to pre-existing warranties		(1,769	)		(1,447	)		(1,388	)
Warranties paid		(1,677	)		(2,054	)		(2,059	)
Other (principally foreign currency translation)		2			61			39
Warranty reserves, end of the year	$	5,596		$	5,037		$	4,078