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Intangible Assets (Tables)

6 Months Ended

Jan. 31, 2017

Finite-Lived Intangible Assets, Net [Abstract]

Intangible assets with finite lives

Intangible assets with finite lives are as follows:



		As of January 31, 2017
		Weighted Average Amortization Period		Gross Carrying Amount				Accumulated Amortization			Net Carrying Amount
Customer relationships		20.3		$	249,831,000			35,210,000			$	214,621,000
Technologies		12.3		82,370,000				45,741,000			36,629,000
Trademarks and other		16.3		28,894,000				7,537,000			21,357,000
Total				$	361,095,000			88,488,000			$	272,607,000



		As of July 31, 2016
		Weighted Average Amortization Period		Gross Carrying Amount				Accumulated Amortization			Net Carrying Amount
Customer relationships		20.3		$	249,831,000			28,497,000			$	221,334,000
Technologies		12.3		82,370,000				42,860,000			39,510,000
Trademarks and other		16.3		28,894,000				5,044,000			23,850,000
Total				$	361,095,000			76,401,000			$	284,694,000

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

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



2017	$	22,823,000
2018	21,075,000
2019	17,155,000
2020	17,155,000
2021	16,196,000