Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of change in the net carrying amount of goodwill

The change in the net carrying amount of Goodwill from December 31, 2015 through December 31, 2017 was composed of the following items:

	Brazil			Mexico			Andean		Rest of World			Online & Partnerships		Other			Total
Balance at December 31, 2015	$	417,938		$	578,350		$	246,375	$	246,980		$	459,786	$	2,015		$	1,951,444
Acquisitions	—			—			—		—			—		—			—
Dispositions	—			—			—		(148,264		)	—		—			(148,264		)
Impairments	—			—			—		—			—		—			—
Currency translation adjustments	83,117			(97,365		)	7,536		(9,914		)	—		—			(16,626		)
Adjustments to prior acquisitions	—			—			—		—			—		—			—
Balance at December 31, 2016	$	501,055		$	480,985		$	253,911	$	88,802		$	459,786	$	2,015		$	1,786,554
Acquisitions	—			—			—		3,584			—		—			3,584
Dispositions	—			—			—		—			—		—			—
Reclassification to Long-term assets held for sale	—			—			—		—			—		(2,015		)	(2,015		)
Impairments	—			—			—		—			—		—			—
Currency translation adjustments	(7,682		)	22,388			18,270		6,312			954		—			40,242
Adjustments to prior acquisitions	—			—			—		—			—		—			—
Balance at December 31, 2017	$	493,373		$	503,373		$	272,181	$	98,698		$	460,740	$	—		$	1,828,365

Summary of identifiable intangible assets

The following table summarizes our identifiable intangible assets as of December 31, 2017:

	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Weighted Average Amortization Period (Yrs)
Subject to amortization:
Student rosters	$	80,564	$	(79,005	)	$	1,559	1.9
Other	65,970		(31,750		)	34,220		11.4
Not subject to amortization:
Tradenames	1,167,302		—			1,167,302		—
Total	$	1,313,836	$	(110,755	)	$	1,203,081

The following table summarizes our identifiable intangible assets as of December 31, 2016:

	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Weighted Average Amortization Period (Yrs)
Subject to amortization:
Student rosters	$	77,763	$	(74,269	)	$	3,494	3.0
Other	65,062		(22,521		)	42,541		11.5
Not subject to amortization:
Tradenames	1,153,348		—			1,153,348		—
Total	$	1,296,173	$	(96,790	)	$	1,199,383

Schedule of asset impairment charges

The following table summarizes the Loss on impairment of assets:

For the years ended December 31,	2017		2016		2015
Impairments of Deferred costs and Other intangible assets, net	$	2,696	$	—	$	—
Impairments of long-lived assets	4,425		—		—
Total	$	7,121	$	—	$	—