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Legal Proceedings Legal Proceedings (Details)
$ in Thousands
9 Months Ended
Nov. 02, 2016
USD ($)
Jun. 13, 2016
claim
Jan. 08, 2016
USD ($)
Sep. 30, 2016
USD ($)
Sep. 30, 2015
USD ($)
Loss Contingencies [Line Items]          
Payment of legal settlement | $ $ 32,000   $ 32,000 $ 32,000 $ 0
Nestle Purina Litigation, Counterclaims Not Dismissed, Number [Member]          
Loss Contingencies [Line Items]          
New claims filed, number | claim   2