NOTE 5: GOODWILL AND INTANGIBLE ASSETS

Changes in the carrying amount of goodwill for the nine months ended January 31, 2019 and 2018 are as follows:



(in 000s)
	Goodwill			Accumulated Impairment Losses			Net
Balances as of April 30, 2018	$	540,168		$	(32,297	)	$	507,871
Acquisitions	13,076			—			13,076
Disposals and foreign currency changes, net	(942		)	—			(942		)
Impairments	—			—			—
Balances as of January 31, 2019	$	552,302		$	(32,297	)	$	520,005

Balances as of April 30, 2017	$	523,504		$	(32,297	)	$	491,207
Acquisitions	11,579			—			11,579
Disposals and foreign currency changes, net	2,003			—			2,003
Impairments	—			—			—
Balances as of January 31, 2018	$	537,086		$	(32,297	)	$	504,789

We test goodwill for impairment annually in our fourth quarter, or more frequently if events occur or circumstances change which would, more likely than not, reduce the fair value of a reporting unit below its carrying value.

Components of intangible assets are as follows:



(in 000s)
	Gross Carrying Amount		Accumulated Amortization			Net
As of January 31, 2019:
Reacquired franchise rights	$	350,459	$	(130,618	)	$	219,841
Customer relationships	274,293		(187,080		)	87,213
Internally-developed software	147,465		(119,664		)	27,801
Noncompete agreements	33,369		(31,040		)	2,329
Franchise agreements	19,201		(13,014		)	6,187
Purchased technology	54,700		(42,082		)	12,618
Acquired assets pending final allocation ⁽¹⁾	963		—			963
	$	880,450	$	(523,498	)	$	356,952
As of January 31, 2018:
Reacquired franchise rights	$	339,544	$	(108,063	)	$	231,481
Customer relationships	251,792		(156,234		)	95,558
Internally-developed software	151,095		(123,309		)	27,786
Noncompete agreements	32,853		(29,195		)	3,658
Franchise agreements	19,201		(11,734		)	7,467
Purchased technology	54,700		(36,329		)	18,371
Acquired assets pending final allocation ⁽¹⁾	6,672		—			6,672
	$	855,857	$	(464,864	)	$	390,993
As of April 30, 2018:
Reacquired franchise rights	$	339,779	$	(113,856	)	$	225,923
Customer relationships	256,137		(164,005		)	92,132
Internally-developed software	140,255		(111,734		)	28,521
Noncompete agreements	32,899		(29,673		)	3,226
Franchise agreements	19,201		(12,054		)	7,147
Purchased technology	54,700		(37,770		)	16,930
Acquired assets pending final allocation ⁽¹⁾	102		—			102
	$	843,073	$	(469,092	)	$	373,981

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

During the nine months ended January 31, 2019 and 2018, we made payments to acquire franchisee and competitor businesses totaling $42.4 million and $39.4 million, respectively.

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 intangible assets acquired or added during the nine months ended January 31, 2019 are as follows:



(dollars in 000s)
	Amount		Weighted-Average Life (in years)
Reacquired franchise rights	$	10,734	5
Customer relationships	17,520		5
Noncompete agreements	488		5
Total	$	28,742	5

Amortization of intangible assets for the three and nine months ended January 31, 2019 was $18.7 million and $54.5 million, respectively. Amortization for the three and nine months ended January 31, 2018 was $20.8 million and $59.5 million, respectively. Estimated amortization of intangible assets for fiscal years 2019, 2020, 2021, 2022 and 2023 is $73.2 million, $60.7 million, $44.2 million, $31.4 million and $18.2 million, respectively.