NOTE 6: GOODWILL AND INTANGIBLE ASSETS

Changes in the carrying amount of goodwill for the years ended April 30, 2019 and 2018 are as follows:



(in 000s)
	Goodwill			Accumulated Impairment Losses			Net
Balances as of May 1, 2017	$	523,504		$	(32,297	)	$	491,207
Acquisitions	15,983			—			15,983
Disposals and foreign currency changes, net	681			—			681
Impairments	—			—			—
Balances as of April 30, 2018	540,168			(32,297		)	507,871
Acquisitions	13,656			—			13,656
Disposals and foreign currency changes, net	(1,590		)	—			(1,590		)
Impairments	—			—			—
Balances as of April 30, 2019	$	552,234		$	(32,297	)	$	519,937

We tested goodwill for impairment in the fourth quarter of fiscal year 2019, and did not identify any impairment.

Components of intangible assets are as follows:



(in 000s)
As of April 30,	2019							2018
	Gross Carrying Amount		Accumulated Amortization			Net		Gross Carrying Amount		Accumulated Amortization			Net
Reacquired franchise rights	$	350,410	$	(136,345	)	$	214,065	$	339,779	$	(113,856	)	$	225,923
Customer relationships	274,838		(195,174		)	79,664		256,137		(164,005		)	92,132
Internally-developed software	139,239		(109,885		)	29,354		140,255		(111,734		)	28,521
Noncompete agreements	33,376		(31,446		)	1,930		32,899		(29,673		)	3,226
Franchise agreements	19,201		(13,334		)	5,867		19,201		(12,054		)	7,147
Purchased technology	54,700		(43,518		)	11,182		54,700		(37,770		)	16,930
Acquired assets pending final allocation ⁽¹⁾	431		—			431		102		—			102
	$	872,195	$	(529,702	)	$	342,493	$	843,073	$	(469,092	)	$	373,981

⁽¹⁾Represents recent business acquisitions for which final purchase price allocations have not yet been determined.

The increase in the gross carrying amount of intangible assets resulted primarily from the acquisition of approximately 175 offices to our company-owned and franchise network. The amounts and weighted-average lives of assets acquired during fiscal year 2019, including amounts capitalized and placed in service related to internally-developed software, are as follows:



(dollars in 000s)
	Amount		Weighted-Average Life (in years)
Reacquired franchise rights	$	10,734	5
Customer relationships	18,851		5
Internally-developed software	8,854		3
Noncompete agreements	512		5
Total	$	38,951	4

Amortization of intangible assets of continuing operations for the years ended April 30, 2019, 2018 and 2017 was $73.2 million, $79.9 million and $78.9 million, respectively. Estimated amortization of intangible assets for fiscal years 2020, 2021, 2022, 2023 and 2024 is $61.8 million, $45.2 million, $31.9 million, $18.3 million and $11.7 million, respectively.