GOODWILL AND INTANGIBLE ASSETS (Details 3) (USD $) In Thousands, unless otherwise specified	9 Months Ended			9 Months Ended
Sep. 29, 2012	Sep. 29, 2012 Engineered Infrastructure Products segment:	Sep. 29, 2012 Utility Support Structures segment	Dec. 31, 2011 Utility Support Structures segment	Sep. 29, 2012 Coatings segment	Sep. 29, 2012 Irrigation segment	Sep. 29, 2012 Other
Carrying amount of goodwill
Balance at the beginning of the period	$ 314,662	$ 151,558	$ 77,141	$ 77,141	$ 64,820	$ 2,576	$ 18,567
Foreign currency translation	4,395	4,236			(215)	(54)	428
Balance at the end of the period	$ 319,057	$ 155,794	$ 77,141	$ 77,141	$ 64,605	$ 2,522	$ 18,995

Carrying amount as of the balance sheet date, which is the cumulative amount paid and (if applicable) the fair value of any noncontrolling interest in the acquiree, adjusted for any amortization recognized prior to the adoption of any changes in generally accepted accounting principles (as applicable) and for any impairment charges, in excess of the fair value of net assets acquired in one or more business combination transactions.

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