Intangibles

Intangible assets other than goodwill were comprised of the following:



	December 31,
	2017			2016
Noncompetition and other agreements	$	429,140		$	407,220
Lease agreements	7,623			7,244
Indefinite-lived assets	33,255			1,125
Other	583			583
	470,601			416,172
Less accumulated amortization	(356,774		)	(342,668		)
	$	113,827		$	73,504

Amortization expense from amortizable intangible assets, other than lease agreements, was $15,782, $14,552, and $19,185 for 2017, 2016 and 2015, respectively. Lease agreement intangible assets and liabilities were amortized to rent expense in the amounts of $(203), $(232) and $(331) for 2017, 2016 and 2015, respectively.

During the years ended December 31, 2017, 2016 and 2015, the Company recognized no impairment charges on any intangible assets other than goodwill.

Amortizable intangible liabilities as of December 31, 2017 and 2016 were comprised of lease agreements of $5,447 and $6,011, respectively, which were net of accumulated amortization of $3,508 and $3,618, respectively.

There was no amortization benefit recognized from the alliance and product supply agreement in 2017 and 2016 as it expired in September 2015. Amortization benefit related to this agreement was $3,997 for 2015.

Lease agreement intangible liabilities are classified in other long-term liabilities and amortized to rent expense.

Scheduled amortization charges from amortizable intangible assets and liabilities as of December 31, 2017 were as follows:



	Noncompetition and other agreements		Lease liabilities			Other
2018	$	15,581	$	(849	)	$	102
2019	14,051		(658		)	87
2020	12,629		(628		)	44
2021	9,929		(602		)	—
2022	6,808		(553		)	—
Thereafter	21,341		(2,157		)	—
Total	$	80,339	$	(5,447	)	$	233