Goodwill and Intangible Assets

The changes in carrying amount of goodwill by segment were as follows in Fiscal 2019, 2018, and 2017, noting we have no accumulated impairment losses:



(in thousands)	Towable		Corporate / All Other		Total
Balances at August 27, 2016	$	1,228	$	—	$	1,228
Acquisition of Grand Design⁽¹⁾	241,500		—		241,500
Balances at August 26, 2017	242,728		—		242,728
Grand Design purchase price adjustment⁽¹⁾	1,956		—		1,956
Acquisition of Chris-Craft⁽¹⁾	—		29,686		29,686
Balances at August 25, 2018	244,684		29,686		274,370
Chris-Craft purchase price adjustment⁽¹⁾	—		561		561
Balances at August 31, 2019	$	244,684	$	30,247	$	274,931


(1)	Refer to Note 2, Business Combinations, for additional information on the acquisitions of Grand Design and Chris-Craft.

Intangible assets, net of accumulated amortization consists of the following:



	August 31, 2019					August 25, 2018
(in thousands)	Weighted Average Life-Years	Cost		Accumulated Amortization		Weighted Average Life-Years	Cost		Accumulated Amortization
Trade names	Indefinite	$	177,250			Indefinite	$	177,250
Dealer networks	12.2	95,581		$	20,329	12.2	95,581		$	12,328
Backlog	0.5	19,527		19,527		0.5	19,527		19,135
Non-compete agreements	4.1	5,347		3,077		4.1	5,347		2,084
Leasehold interest-favorable	8.1	2,000		690		8.1	2,000		441
Other intangible assets, gross		299,705		43,623			299,705		33,988
Less accumulated amortization		43,623					33,988
Other intangible assets, net		$	256,082				$	265,717

The weighted average remaining amortization period for intangible assets as of August 31, 2019 was approximately ten years.

Remaining estimated aggregate annual amortization expense by fiscal year is as follows:



(in thousands)	Amount
Fiscal 2020	$	9,032
Fiscal 2021	9,032
Fiscal 2022	8,390
Fiscal 2023	8,197
Fiscal 2024	8,095
Thereafter	36,086
Total amortization expense remaining	$	78,832