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Intangible Assets and Goodwill (Tables)

12 Months Ended

Apr. 30, 2013

Components of Intangible Assets

Intangible assets at April 30, 2013 and 2012 consist of the following:

		Covenants Not to Compete				Client Lists				Total
Balance, April 30, 2013
Intangible assets		$	17,043			$	11,660			$	28,703
Less accumulated amortization			(14,800)				(2,229)				(17,029)
		$	2,243			$	9,431			$	11,674
Balance, April 30, 2012
Intangible assets		$	15,601			$	3,093			$	18,694
Less accumulated amortization			(14,324)				(1,400)				(15,724)
		$	1,277			$	1,693			$	2,970

Estimated of Amortization Expenses

The intangible amortization expense estimated as of April 30, 2013 for the five fiscal years following fiscal year 2013 and thereafter is as follows:

2014		2015				2016				2017				2018				Thereafter
$        2,216		$	1,907			$	1,525			$	1,262			$	1,309			$	3,455

Schedule of Activity and Balances Related to Goodwill

The following table shows the activity and balances related to goodwill from April 30, 2011 through April 30, 2013:

		April 30, 2012				Acquisitions				Other (1)				April 30, 2013
Eastern region		$	58			$	12,939			$	3,861			$	16,858
Western region			89,458				1,283				(3,861	)			86,880
Recycling			12,190				-				-				12,190
Total		$	101,706			$	14,222				-			$	115,928

(1) Goodwill movement between the Eastern and Western regions is associated with the movement of certain operations between the reporting units during fiscal year 2013.

		April 30, 2011				Acquisitions				April 30, 2012
Eastern region		$	38			$	20			$	58
Western region			88,976				482				89,458
Recycling			12,190				-				12,190
Total		$	101,204			$	502			$	101,706

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Tabular disclosure of the estimated aggregate amortization expense for intangible assets subject to amortization for each of the five succeeding fiscal years.

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



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