7.	Intangibles

Intangible assets other than goodwill were comprised of the following:

	December 31,
	2015			2014
Customer relationships	$	1,575,865		$	1,575,865
Trade names		170,883			171,168
Provider network and practice management tools		183,724			183,688
Noncompetition and other agreements		510,521			506,867
Lease agreements		7,306			7,982
Indefinite-lived assets		9,310			24,818
Other		408			402
		2,458,017			2,470,790
Less accumulated amortization		(770,691	)		(605,948	)
	$	1,687,326		$	1,864,842

The 2014 intangible assets have been retrospectively recast as a result of the Company adopting ASU No. 2015-03. See Note 1 to the consolidated financial statements for further details. Amortization expense from amortizable intangible assets, other than lease agreements, was $166,537, $167,956 and $160,960 for 2015, 2014 and 2013, respectively. Lease agreement intangible assets and liabilities were amortized to rent expense in the amounts of $(1,613), $(1,798) and $(1,447) for 2015, 2014 and 2013, respectively.

During the quarter ended December 31, 2015, and in conjunction with the annual goodwill impairment assessment for its HCP reporting units as of November 1, the Company determined that circumstances indicated it had become more likely than not that an indefinite-lived intangible asset of the Company’s HCP Nevada reporting unit had become impaired. See Note 10 to the consolidated financial statements for further details.

Amortizable intangible liabilities were comprised of the following:

	December 31,
	2015			2014
Alliance and product supply agreement	$	68,200		$	68,200
Less accumulated amortization		(68,200	)		(64,203	)
Net Alliance and product supply agreement		—			3,997
Lease agreements (net of accumulated amortization of $6,936 and $4,785)		8,969			10,407
	$	8,969		$	14,404

Amortization benefit recognized from the alliance and product supply agreement was $3,997 for 2015 and $5,330 for both 2014 and 2013. 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, 2015 were as follows:

	Customer relationships		Trade names		Provider network and practice management tools		Noncompetition and other agreements		Lease agreements			Other
2016		82,617		16,634		26,187		30,619		(1,549	)		67
2017		82,685		16,623		26,250		29,775		(1,228	)		102
2018		82,638		16,235		26,273		19,545		(892	)		53
2019		82,408		16,235		22,536		15,817		(832	)		3
2020		82,066		16,235		541		10,209		(678	)		2
Thereafter		909,798		37,320		—		28,543		(3,790	)		—