GOODWILL AND OTHER INTANGIBLE ASSETS (Tables)

6 Months Ended

Jun. 30, 2012

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of changes to goodwill

The changes to goodwill for the six months ended June 30, 2012 were as follows (in thousands):

	2012
Balance at January 1, 2012	$	122,392
Acquired from acquisitions	8,666
Increase from adjustments related to the acquisitions during the measurement period	5,352
Currency translation and other	(448		)
Balance at June 30, 2012	$	135,962

Summary of amortizable other intangible assets

Below is a summary of amortizable other intangible assets (in thousands):

	June 30, 2012							December 31, 2011
	Cost		Accumulated Amortization		Net		Weighted Average Amortization Period (in years)	Cost		Accumulated Amortization		Net		Weighted Average Amortization Period (in years)
Permits	$	109,273	$	47,481	$	61,792	16.7	$	106,939	$	45,629	$	61,310	17.9
Customer relationships	87,299		21,904		65,395		7.3	83,721		17,650		66,071		7.9
Other intangible assets	22,050		10,615		11,435		3.7	21,528		9,265		12,263		5.3
	$	218,622	$	80,000	$	138,622	9.0	$	212,188	$	72,544	$	139,644	10.0

Schedule of expected amortization for the net carrying amount of finite lived intangible assets

Below is the expected future amortization for the net carrying amount of finite lived intangible assets at June 30, 2012 (in thousands):

Years Ending December 31,	Expected Amortization
2012 (six months)	$	7,298
2013	10,140
2014	9,183
2015	8,652
2016	8,778
Thereafter	91,403
	$	135,454