Goodwill and Other Intangible Assets

The following summarizes the Company's goodwill by reportable segment:



(in millions)	North America			International			Consolidated
Balance as of December 31, 2016	$	572.0		$	127.2		$	699.2
Foreign currency translation adjustments and other	4.6			28.9			33.5
Balance as of December 31, 2017	$	576.6		$	156.1		$	732.7
Foreign currency translation adjustments and other	(5.5		)	(4.2		)	(9.7		)
Balance as of December 31, 2018	$	571.1		$	151.9		$	723.0

The following table summarizes information relating to the Company’s other intangible assets, net:



($ in millions)		December 31, 2018						December 31, 2017
($ in millions)	Useful Lives (Years)	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Unamortized indefinite life intangible assets:
Trade names		$	556.5	$	—	$	556.5	$	561.7	$	—	$	561.7
Amortized intangible assets:
Contractual distributor relationships	15	84.7		32.7		52.0		86.0		27.5		58.5
Technology and other	4-10	90.2		61.1		29.1		91.4		54.3		37.1
Patents, other trademarks and other trade names	5-20	32.0		21.0		11.0		27.3		19.0		8.3
Customer databases, relationships and reacquired rights	2-5	21.3		20.6		0.7		23.5		22.0		1.5
Total		$	784.7	$	135.4	$	649.3	$	789.9	$	122.8	$	667.1

Amortization expense relating to intangible assets for the Company was $15.3 million, $16.0 million and $17.1 million for the years ended December 31, 2018, 2017 and 2016, respectively, and is recorded in general, administrative and other expenses in the Company's Consolidated Statements of Income. No impairments of goodwill or other intangible assets have adjusted the gross carrying amount of these assets in any period.

Estimated annual amortization of intangible assets is expected to be as follows for the years ending December 31:



(in millions)
2019	$	14.8
2020	14.8
2021	14.4
2022	14.4
2023	7.5