Discontinued Operations - Additional Information (Details) - South African Distribution Business and Zambian Operations - Discontinued Operations, Held-for-sale or Disposed of by Sale - USD ($) $ in Millions		3 Months Ended
	Feb. 29, 2016	Jun. 30, 2016	Mar. 31, 2016
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Percentage of stock sold	100.00%		100.00%
Amount in escrow from potential acquirer	$ 15.9
Loss from sale of discontinued operation	$ 0.3
Adjustment to prior period gain (loss) on disposal		$ 2.5