Intangible Assets (Tables)

9 Months Ended

Apr. 30, 2016

Finite-Lived Intangible Assets, Net [Abstract]

Intangible assets with finite lives

Intangible assets with finite lives as of April 30, 2016 and July 31, 2015 are as follows:

	April 30, 2016
	Weighted Average Amortization Period	Gross Carrying Amount		Accumulated Amortization	Net Carrying Amount
Customer relationships	20.5	$	252,831,000	25,154,000	$	227,677,000
Technologies	12.3	82,370,000		41,419,000	40,951,000
Trademarks and other	16.3	28,694,000		3,761,000	24,933,000
Total		$	363,895,000	70,334,000	$	293,561,000

	July 31, 2015
	Weighted Average Amortization Period	Gross Carrying Amount		Accumulated Amortization	Net Carrying Amount
Customer relationships	10.0	$	29,831,000	20,981,000	$	8,850,000
Technologies	12.1	47,370,000		39,266,000	8,104,000
Trademarks and other	20.0	5,794,000		2,739,000	3,055,000
Total		$	82,995,000	62,986,000	$	20,009,000

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

The estimated amortization expense consists of the following for the fiscal years ending July 31:

2016	$	13,360,000
2017	22,786,000
2018	21,150,000
2019	17,230,000
2020	17,230,000