Derivatives (Tables)

6 Months Ended

Mar. 31, 2017

Derivative Instruments And Hedging Activities Disclosure [Abstract]

Details of Derivatives Held to Manage Foreign Currency Risk

The following table provides details of the derivatives held as of March 31, 2017 and September 30, 2016 to manage foreign currency risk.

		Notional Amount
Description	Borrowing	March 31, 2017	September 30, 2016	Hedge Designation
Cross Currency Swaps	3.4% Notes	USD 250 million swapped to EUR 223 million	USD 250 million swapped to EUR 223 million	Net investment
Forward Foreign Currency Contracts (1)	N/A	USD 2 million	USD 4 million	No designation

⁽¹⁾ Cabot’s forward foreign exchange contracts are denominated primarily in the Indonesian rupiah, Czech koruna, and British pound sterling.