The amount of cash paid for the settlement of litigation or for other legal issues during the period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 25
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3536-108585

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

Legal Proceedings (Details) - USD ($) $ in Thousands			9 Months Ended
Legal Proceedings (Details) - USD ($) $ in Thousands	Nov. 02, 2016	Jan. 08, 2016	Sep. 30, 2017	Sep. 30, 2016
Loss Contingencies [Line Items]
Payment of legal settlement			$ 0	$ 32,000
Nestle Purina Litigation
Loss Contingencies [Line Items]
Payment of legal settlement	$ 32,000
US Consumer Class Action Lawsuit
Loss Contingencies [Line Items]
Payment of legal settlement		$ 32,000