Commitments and Contingencies (Legal Proceedings) (Details)				1 Months Ended
	Apr. 26, 2017 complaint	Aug. 17, 2016 complaint	Aug. 19, 2015 USD ($) retailer distributor	Dec. 29, 2016 complaint
Securities Complaints
Loss Contingencies [Line Items]
Number of complaints		3
Derivative Complaints
Loss Contingencies [Line Items]
Number of complaints				2
Barnes Complaint
Loss Contingencies [Line Items]
Number of complaints	2
Center for Environmental Health
Loss Contingencies [Line Items]
Number of retailers | retailer			5
Number of distributors | distributor			1
Value per day | $			$ 2,500