CONTINGENT LIABILITIES AND COMMITMENTS (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014 employee	Dec. 31, 2013	Dec. 31, 2012
Concentration Risk [Line Items]
Total number of employees	3,343dei_EntityNumberOfEmployees
Changes in warranty reserve
Balance, beginning of the year	$ 8,214us-gaap_ProductWarrantyAccrual	$ 7,852us-gaap_ProductWarrantyAccrual	$ 8,146us-gaap_ProductWarrantyAccrual
Provision for warranty claims	6,664	7,092	6,488
Warranty claims paid	(6,631)us-gaap_ProductWarrantyAccrualPayments	(6,716)us-gaap_ProductWarrantyAccrualPayments	(6,887)us-gaap_ProductWarrantyAccrualPayments
Increase due to acquisition	0	0	106
Foreign currency translation adjustment	(67)	(14)	(1)
Balance, end of the year	$ 8,180us-gaap_ProductWarrantyAccrual	$ 8,214us-gaap_ProductWarrantyAccrual	$ 7,852us-gaap_ProductWarrantyAccrual
Unionized Employees Concentration Risk \| Workforce Subject to Collective Bargaining Arrangements
Concentration Risk [Line Items]
Percentage of employees represented by unions	11.30%
Carpenters Union Local 1615
Concentration Risk [Line Items]
Total number of hourly employees covered in an agreement	190
Italy Unions
Concentration Risk [Line Items]
Total number of employees	187

Number of persons employed by the Entity

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- Definition

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

+ References

No definition available.

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.15(5))

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

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- Definition

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

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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-Topic 460

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- Definition

Total Increase or Decrease in the standard and extended product warranty liability due to currency translation.

+ References

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- Definition

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

+ References

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-Publisher FASB

-Name Accounting Standards Codification

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- Definition

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

+ References

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