GOODWILL AND OTHER INTANGIBLE ASSETS |
5. GOODWILL AND OTHER INTANGIBLE ASSETS:
A summary of changes in Quantas goodwill between December31, 2008 and September30, 2009 is as follows (in thousands):
Natural Gas and
Electric Power Pipeline Telecommunications
Division Division Division Total
Balance at December31, 2008 $ 642,943 $ 269,706 $ 450,451 $ 1,363,100
Goodwill acquired during the year 3,580 9,240 12,820
Foreign currency translation related to Canadian goodwill 164 164
Purchase price adjustments related to acquisitions closed in previous quarters (296 ) 114 (182 )
Balance at September30, 2009 $ 646,687 $ 269,410 $ 459,805 $ 1,375,902
Quantas goodwill reported above on a divisional basis represents the aggregation of the operating units goodwill into the internal division in which the operating unit is organized. These divisions are closely aligned with the reportable segments based on their operating units predominate type of work.
Other intangible assets are comprised of (in thousands):
December31, September30,
2008 2009
Other intangible assets:
Customer relationships $ 111,379 $ 114,576
Backlog 54,139 55,275
Non-compete agreements 16,336 17,599
Patented rights and developed technology 16,078 16,078
Total intangible assets 197,932 203,528
Accumulated amortization:
Customer relationships (11,381 ) (17,079 )
Backlog (38,109 ) (44,362 )
Non-compete agreements (6,000 ) (8,360 )
Patented rights and developed technology (1,725 ) (2,674 )
Total accumulated amortization (57,215 ) (72,475 )
Intangible assets, net $ 140,717 $ 131,053
Expenses for the amortization of intangible assets were $9.0million and $5.4million for the three months ended September30, 2008 and 2009 and $29.5million and $15.3million for the nine months ended September30, 2008 and 2009. The remaining weighted average amortization period for all intangible assets as of September30, 2009 is 11.1years, while the remaining weighted average amortization periods for customer relationships, backlog, non-compete agreements and the patented rights and developed technology are 13.0years, 1.9years, 2.7years and 11.0years, respectively. The estimated future aggregate amortization expense of intangible assets as of September30, 2009 is set forth below (in thousands):
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