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Business and Geographic Segment Information - Schedule of Long-lived Assets by Geographic Areas (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 27, 2017	Dec. 31, 2016
Segment Reporting Information [Line Items]
Long-lived assets	$ 1,934,904		$ 2,151,633
Long-term assets held for sale	392,391		0
Chile
Segment Reporting Information [Line Items]
Long-lived assets	450,224		432,499
Peru
Segment Reporting Information [Line Items]
Long-lived assets	327,908		299,014
Brazil
Segment Reporting Information [Line Items]
Long-lived assets	245,781		252,289
Mexico
Segment Reporting Information [Line Items]
Long-lived assets	237,109		218,531
United States
Segment Reporting Information [Line Items]
Long-lived assets	180,595		199,171
Spain
Segment Reporting Information [Line Items]
Long-lived assets	179,627		163,740
China
Segment Reporting Information [Line Items]
Long-lived assets	0		125,697
Other foreign countries
Segment Reporting Information [Line Items]
Long-lived assets	313,660		$ 460,692
Disposal Group, Held-for-sale, Not Discontinued Operations
Segment Reporting Information [Line Items]
Long-term assets held for sale	$ 392,391
LEI Lie Ying Limited \| Disposal Group, Held-for-sale, Not Discontinued Operations
Segment Reporting Information [Line Items]
Noncontrolling interest, ownership percentage by parent	70.00%
Long-term assets held for sale	$ 128,797
Hunan Lie Ying Industry Co., Ltd \| HIEU; Hunan Lie Ying Mechanic School; Hunan Lie Ying Property Management Co., Ltd.; And Hunan International Economics University Vocational Skills Training Center
Segment Reporting Information [Line Items]
Noncontrolling interest, noncontrolling owners, ownership percent		100.00%
LEI Lie Ying Limited \| Hunan Lie Ying Industry Co., Ltd
Segment Reporting Information [Line Items]
Noncontrolling interest, ownership percentage by parent		70.00%