The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3291-108585

Name:	us-gaap_RepaymentsOfLongTermDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Debt Facilities - Brazil Financings (Detail) $ in Thousands, BRL in Millions	1 Months Ended		12 Months Ended
	Jun. 30, 2016 USD ($)	Jun. 30, 2016 BRL	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Debt Instrument [Line Items]
Repayment of debt			$ 2,277,798	$ 1,462,888	$ 715,270
Revolving credit facility borrowings \| 2012 and 2013 Brazil Financing
Debt Instrument [Line Items]
Repayment of debt	$ 28,300	BRL 90.7