CONTINGENT LIABILITIES AND COMMITMENTS (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2012 item	Dec. 31, 2011	Dec. 31, 2010
Changes in the Company's warranty reserve
Balance, beginning of the year	$ 8,146	$ 8,090	$ 9,773
Provision for warranty claims	6,488	7,007	4,808
Warranty claims paid	(6,887)	(6,950)	(6,478)
Increase due to acquisition	106
Foreign currency translation adjustment	(1)	(1)	(13)
Balance, end of the period	$ 7,852	$ 8,146	$ 8,090
CONTINGENT LIABILITIES AND COMMITMENTS
Total number of employees	3,211
Contingent liabilities and commitments, additional disclosure
Total number of hourly employees covered in an agreement	197
Carpenters Union, Local 1615
CONTINGENT LIABILITIES AND COMMITMENTS
Total number of employees	197
Italy Unions
CONTINGENT LIABILITIES AND COMMITMENTS
Total number of employees	199
Workforce subject to collective bargaining arrangements \| Unionized employees concentration risk
CONTINGENT LIABILITIES AND COMMITMENTS
Percentage of employees represented by unions	12.30%

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Represents the number of hourly employees of the entity covered in an agreement with the union.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers.

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Total liability for standard and extended product warranties acquired in a business acquisition.

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Represents the aggregate decrease in the liability related to payments to satisfy claims for standard and extended product warranties.

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Represents the aggregate increase in the liability for accruals related to standard and extended product warranties issued during the reporting period.

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