Derivatives - Fair Value Position (Details) - 6 months ended Jun. 30, 2016 € in Millions, ₨ in Millions, ¥ in Millions, £ in Millions, bbl in Millions, ZAR in Millions, SGD in Millions, SFr in Millions, SEK in Millions, RON in Millions, PLN in Millions, NOK in Millions, MXN in Millions, DKK in Millions, COP in Millions, CLP in Millions, CAD in Millions, BRL in Millions, AUD in Millions, $ in Millions	ZAR $ / bbl $ / ZAR $ / SGD $ / SEK $ / RON $ / PLN $ / NOK $ / MXN $ / ¥ $ / ₨ $ / £ $ / € $ / DKK $ / COP $ / CLP $ / SFr $ / CAD $ / BRL $ / AUD bbl	SGD $ / bbl $ / ZAR $ / SGD $ / SEK $ / RON $ / PLN $ / NOK $ / MXN $ / ¥ $ / ₨ $ / £ $ / € $ / DKK $ / COP $ / CLP $ / SFr $ / CAD $ / BRL $ / AUD	SEK $ / bbl $ / ZAR $ / SGD $ / SEK $ / RON $ / PLN $ / NOK $ / MXN $ / ¥ $ / ₨ $ / £ $ / € $ / DKK $ / COP $ / CLP $ / SFr $ / CAD $ / BRL $ / AUD	RON $ / bbl $ / ZAR $ / SGD $ / SEK $ / RON $ / PLN $ / NOK $ / MXN $ / ¥ $ / ₨ $ / £ $ / € $ / DKK $ / COP $ / CLP $ / SFr $ / CAD $ / BRL $ / AUD	PLN $ / bbl $ / ZAR $ / SGD $ / SEK $ / RON $ / PLN $ / NOK $ / MXN $ / ¥ $ / ₨ $ / £ $ / € $ / DKK $ / COP $ / CLP $ / SFr $ / CAD $ / BRL $ / AUD	NOK $ / bbl $ / ZAR $ / SGD $ / SEK $ / RON $ / PLN $ / NOK $ / MXN $ / ¥ $ / ₨ $ / £ $ / € $ / DKK $ / COP $ / CLP $ / SFr $ / CAD $ / BRL $ / AUD	MXN $ / bbl $ / ZAR $ / SGD $ / SEK $ / RON $ / PLN $ / NOK $ / MXN $ / ¥ $ / ₨ $ / £ $ / € $ / DKK $ / COP $ / CLP $ / SFr $ / CAD $ / BRL $ / AUD	JPY (¥) $ / bbl $ / ZAR $ / SGD $ / SEK $ / RON $ / PLN $ / NOK $ / MXN $ / ¥ $ / ₨ $ / £ $ / € $ / DKK $ / COP $ / CLP $ / SFr $ / CAD $ / BRL $ / AUD	INR (₨) $ / bbl $ / ZAR $ / SGD $ / SEK $ / RON $ / PLN $ / NOK $ / MXN $ / ¥ $ / ₨ $ / £ $ / € $ / DKK $ / COP $ / CLP $ / SFr $ / CAD $ / BRL $ / AUD	GBP (£) $ / bbl $ / ZAR $ / SGD $ / SEK $ / RON $ / PLN $ / NOK $ / MXN $ / ¥ $ / ₨ $ / £ $ / € $ / DKK $ / COP $ / CLP $ / SFr $ / CAD $ / BRL $ / AUD	EUR (€) $ / bbl $ / ZAR $ / SGD $ / SEK $ / RON $ / PLN $ / NOK $ / MXN $ / ¥ $ / ₨ $ / £ $ / € $ / DKK $ / COP $ / CLP $ / SFr $ / CAD $ / BRL $ / AUD	DKK $ / bbl $ / ZAR $ / SGD $ / SEK $ / RON $ / PLN $ / NOK $ / MXN $ / ¥ $ / ₨ $ / £ $ / € $ / DKK $ / COP $ / CLP $ / SFr $ / CAD $ / BRL $ / AUD	COP $ / bbl $ / ZAR $ / SGD $ / SEK $ / RON $ / PLN $ / NOK $ / MXN $ / ¥ $ / ₨ $ / £ $ / € $ / DKK $ / COP $ / CLP $ / SFr $ / CAD $ / BRL $ / AUD	CLP $ / bbl $ / ZAR $ / SGD $ / SEK $ / RON $ / PLN $ / NOK $ / MXN $ / ¥ $ / ₨ $ / £ $ / € $ / DKK $ / COP $ / CLP $ / SFr $ / CAD $ / BRL $ / AUD	CHF (SFr) $ / bbl $ / ZAR $ / SGD $ / SEK $ / RON $ / PLN $ / NOK $ / MXN $ / ¥ $ / ₨ $ / £ $ / € $ / DKK $ / COP $ / CLP $ / SFr $ / CAD $ / BRL $ / AUD	CAD $ / bbl $ / ZAR $ / SGD $ / SEK $ / RON $ / PLN $ / NOK $ / MXN $ / ¥ $ / ₨ $ / £ $ / € $ / DKK $ / COP $ / CLP $ / SFr $ / CAD $ / BRL $ / AUD	BRL $ / bbl $ / ZAR $ / SGD $ / SEK $ / RON $ / PLN $ / NOK $ / MXN $ / ¥ $ / ₨ $ / £ $ / € $ / DKK $ / COP $ / CLP $ / SFr $ / CAD $ / BRL $ / AUD	AUD $ / bbl $ / ZAR $ / SGD $ / SEK $ / RON $ / PLN $ / NOK $ / MXN $ / ¥ $ / ₨ $ / £ $ / € $ / DKK $ / COP $ / CLP $ / SFr $ / CAD $ / BRL $ / AUD	USD ($) $ / bbl $ / ZAR $ / SGD $ / SEK $ / RON $ / PLN $ / NOK $ / MXN $ / ¥ $ / ₨ $ / £ $ / € $ / DKK $ / COP $ / CLP $ / SFr $ / CAD $ / BRL $ / AUD
Derivatives designated as hedging instruments | Fair value hedges
Derivative instruments, at their respective fair value positions
Fair Value Amount																			$ (0.4)
Derivatives designated as hedging instruments | Fair value hedges | Commodity contracts | 2016
Derivative instruments, at their respective fair value positions
Notional value of commodity contracts | bbl	2.0
Weighted Average Fixed Price | $ / bbl	60.961	60.961	60.961	60.961	60.961	60.961	60.961	60.961	60.961	60.961	60.961	60.961	60.961	60.961	60.961	60.961	60.961	60.961	60.961
Weighted Average Mark-to-Market | $ / bbl	(0.060)	(0.060)	(0.060)	(0.060)	(0.060)	(0.060)	(0.060)	(0.060)	(0.060)	(0.060)	(0.060)	(0.060)	(0.060)	(0.060)	(0.060)	(0.060)	(0.060)	(0.060)	(0.060)
Fair Value Amount																			$ (0.1)
Derivatives designated as hedging instruments | Fair value hedges | Commodity contracts | 2017
Derivative instruments, at their respective fair value positions
Notional value of commodity contracts | bbl	0.1
Weighted Average Fixed Price | $ / bbl	61.834	61.834	61.834	61.834	61.834	61.834	61.834	61.834	61.834	61.834	61.834	61.834	61.834	61.834	61.834	61.834	61.834	61.834	61.834
Weighted Average Mark-to-Market | $ / bbl	(2.907)	(2.907)	(2.907)	(2.907)	(2.907)	(2.907)	(2.907)	(2.907)	(2.907)	(2.907)	(2.907)	(2.907)	(2.907)	(2.907)	(2.907)	(2.907)	(2.907)	(2.907)	(2.907)
Fair Value Amount																			$ (0.3)
Derivatives designated as hedging instruments | Cash flow hedges.
Derivative instruments, at their respective fair value positions
Fair Value Amount																			$ (10.9)
Derivatives designated as hedging instruments | Cash flow hedges. | Commodity contracts | 2016
Derivative instruments, at their respective fair value positions
Notional value of commodity contracts | bbl	15.1
Weighted Average Fixed Price | $ / bbl	52.314	52.314	52.314	52.314	52.314	52.314	52.314	52.314	52.314	52.314	52.314	52.314	52.314	52.314	52.314	52.314	52.314	52.314	52.314
Weighted Average Mark-to-Market | $ / bbl	0.017	0.017	0.017	0.017	0.017	0.017	0.017	0.017	0.017	0.017	0.017	0.017	0.017	0.017	0.017	0.017	0.017	0.017	0.017
Fair Value Amount																			$ 0.3
Derivatives designated as hedging instruments | Cash flow hedges. | Commodity contracts | 2017
Derivative instruments, at their respective fair value positions
Notional value of commodity contracts | bbl	1.5
Weighted Average Fixed Price | $ / bbl	52.606	52.606	52.606	52.606	52.606	52.606	52.606	52.606	52.606	52.606	52.606	52.606	52.606	52.606	52.606	52.606	52.606	52.606	52.606
Weighted Average Mark-to-Market | $ / bbl	(7.379)	(7.379)	(7.379)	(7.379)	(7.379)	(7.379)	(7.379)	(7.379)	(7.379)	(7.379)	(7.379)	(7.379)	(7.379)	(7.379)	(7.379)	(7.379)	(7.379)	(7.379)	(7.379)
Fair Value Amount																			$ (11.2)
Derivatives not designated as hedging instruments
Derivative instruments, at their respective fair value positions
Fair Value Amount																			$ 18.1
Derivatives not designated as hedging instruments | Commodity contracts | Long | 2016
Derivative instruments, at their respective fair value positions
Notional value of commodity contracts | bbl	42.7
Weighted Average Fixed Price | $ / bbl	34.112	34.112	34.112	34.112	34.112	34.112	34.112	34.112	34.112	34.112	34.112	34.112	34.112	34.112	34.112	34.112	34.112	34.112	34.112
Weighted Average Mark-to-Market | $ / bbl	(4.586)	(4.586)	(4.586)	(4.586)	(4.586)	(4.586)	(4.586)	(4.586)	(4.586)	(4.586)	(4.586)	(4.586)	(4.586)	(4.586)	(4.586)	(4.586)	(4.586)	(4.586)	(4.586)
Fair Value Amount																			$ (195.9)
Derivatives not designated as hedging instruments | Commodity contracts | Long | 2017
Derivative instruments, at their respective fair value positions
Notional value of commodity contracts | bbl	14.5
Weighted Average Fixed Price | $ / bbl	26.233	26.233	26.233	26.233	26.233	26.233	26.233	26.233	26.233	26.233	26.233	26.233	26.233	26.233	26.233	26.233	26.233	26.233	26.233
Weighted Average Mark-to-Market | $ / bbl	2.733	2.733	2.733	2.733	2.733	2.733	2.733	2.733	2.733	2.733	2.733	2.733	2.733	2.733	2.733	2.733	2.733	2.733	2.733
Fair Value Amount																			$ 39.6
Derivatives not designated as hedging instruments | Commodity contracts | Long | 2018
Derivative instruments, at their respective fair value positions
Notional value of commodity contracts | bbl	3.2
Weighted Average Fixed Price | $ / bbl	16.756	16.756	16.756	16.756	16.756	16.756	16.756	16.756	16.756	16.756	16.756	16.756	16.756	16.756	16.756	16.756	16.756	16.756	16.756
Weighted Average Mark-to-Market | $ / bbl	2.339	2.339	2.339	2.339	2.339	2.339	2.339	2.339	2.339	2.339	2.339	2.339	2.339	2.339	2.339	2.339	2.339	2.339	2.339
Fair Value Amount																			$ 7.4
Derivatives not designated as hedging instruments | Commodity contracts | Long | 2019
Derivative instruments, at their respective fair value positions
Notional value of commodity contracts | bbl	0.1
Weighted Average Fixed Price | $ / bbl	20.777	20.777	20.777	20.777	20.777	20.777	20.777	20.777	20.777	20.777	20.777	20.777	20.777	20.777	20.777	20.777	20.777	20.777	20.777
Weighted Average Mark-to-Market | $ / bbl	0.757	0.757	0.757	0.757	0.757	0.757	0.757	0.757	0.757	0.757	0.757	0.757	0.757	0.757	0.757	0.757	0.757	0.757	0.757
Fair Value Amount																			$ 0.1
Derivatives not designated as hedging instruments | Commodity contracts | Long | 2020
Derivative instruments, at their respective fair value positions
Notional value of commodity contracts | bbl	0.1
Weighted Average Fixed Price | $ / bbl	21.457	21.457	21.457	21.457	21.457	21.457	21.457	21.457	21.457	21.457	21.457	21.457	21.457	21.457	21.457	21.457	21.457	21.457	21.457
Weighted Average Mark-to-Market | $ / bbl	(1.461)	(1.461)	(1.461)	(1.461)	(1.461)	(1.461)	(1.461)	(1.461)	(1.461)	(1.461)	(1.461)	(1.461)	(1.461)	(1.461)	(1.461)	(1.461)	(1.461)	(1.461)	(1.461)
Fair Value Amount																			$ (0.1)
Derivatives not designated as hedging instruments | Commodity contracts | Long | 2021
Derivative instruments, at their respective fair value positions
Weighted Average Fixed Price | $ / bbl	20.730	20.730	20.730	20.730	20.730	20.730	20.730	20.730	20.730	20.730	20.730	20.730	20.730	20.730	20.730	20.730	20.730	20.730	20.730
Weighted Average Mark-to-Market | $ / bbl	0.138	0.138	0.138	0.138	0.138	0.138	0.138	0.138	0.138	0.138	0.138	0.138	0.138	0.138	0.138	0.138	0.138	0.138	0.138
Derivatives not designated as hedging instruments | Commodity contracts | Short | 2016
Derivative instruments, at their respective fair value positions
Notional value of commodity contracts | bbl	41.8
Weighted Average Fixed Price | $ / bbl	35.676	35.676	35.676	35.676	35.676	35.676	35.676	35.676	35.676	35.676	35.676	35.676	35.676	35.676	35.676	35.676	35.676	35.676	35.676
Weighted Average Mark-to-Market | $ / bbl	4.693	4.693	4.693	4.693	4.693	4.693	4.693	4.693	4.693	4.693	4.693	4.693	4.693	4.693	4.693	4.693	4.693	4.693	4.693
Fair Value Amount																			$ 196.1
Derivatives not designated as hedging instruments | Commodity contracts | Short | 2017
Derivative instruments, at their respective fair value positions
Notional value of commodity contracts | bbl	11.2
Weighted Average Fixed Price | $ / bbl	32.754	32.754	32.754	32.754	32.754	32.754	32.754	32.754	32.754	32.754	32.754	32.754	32.754	32.754	32.754	32.754	32.754	32.754	32.754
Weighted Average Mark-to-Market | $ / bbl	(2.899)	(2.899)	(2.899)	(2.899)	(2.899)	(2.899)	(2.899)	(2.899)	(2.899)	(2.899)	(2.899)	(2.899)	(2.899)	(2.899)	(2.899)	(2.899)	(2.899)	(2.899)	(2.899)
Fair Value Amount																			$ (32.4)
Derivatives not designated as hedging instruments | Commodity contracts | Short | 2018
Derivative instruments, at their respective fair value positions
Notional value of commodity contracts | bbl	2.2
Weighted Average Fixed Price | $ / bbl	17.819	17.819	17.819	17.819	17.819	17.819	17.819	17.819	17.819	17.819	17.819	17.819	17.819	17.819	17.819	17.819	17.819	17.819	17.819
Weighted Average Mark-to-Market | $ / bbl	(1.807)	(1.807)	(1.807)	(1.807)	(1.807)	(1.807)	(1.807)	(1.807)	(1.807)	(1.807)	(1.807)	(1.807)	(1.807)	(1.807)	(1.807)	(1.807)	(1.807)	(1.807)	(1.807)
Fair Value Amount																			$ (3.9)
Derivatives not designated as hedging instruments | Commodity contracts | Short | 2019
Derivative instruments, at their respective fair value positions
Weighted Average Fixed Price | $ / bbl	48.806	48.806	48.806	48.806	48.806	48.806	48.806	48.806	48.806	48.806	48.806	48.806	48.806	48.806	48.806	48.806	48.806	48.806	48.806
Weighted Average Mark-to-Market | $ / bbl	3.926	3.926	3.926	3.926	3.926	3.926	3.926	3.926	3.926	3.926	3.926	3.926	3.926	3.926	3.926	3.926	3.926	3.926	3.926
Fair Value Amount																			$ 0.1
Derivatives not designated as hedging instruments | Commodity contracts | Short | 2020
Derivative instruments, at their respective fair value positions
Notional value of commodity contracts | bbl	0.1
Weighted Average Fixed Price | $ / bbl	37.674	37.674	37.674	37.674	37.674	37.674	37.674	37.674	37.674	37.674	37.674	37.674	37.674	37.674	37.674	37.674	37.674	37.674	37.674
Weighted Average Mark-to-Market | $ / bbl	5.348	5.348	5.348	5.348	5.348	5.348	5.348	5.348	5.348	5.348	5.348	5.348	5.348	5.348	5.348	5.348	5.348	5.348	5.348
Fair Value Amount																			$ 0.5
Derivatives not designated as hedging instruments | Foreign currency contracts | 2016 | AUD
Derivative instruments, at their respective fair value positions
Non-Designated, Notional amount of foreign currency contracts | AUD																		AUD 19.3
Fair Value Amount																			$ 0.1
Derivatives not designated as hedging instruments | Foreign currency contracts | 2016 | AUD | Weighted Average
Derivative instruments, at their respective fair value positions
Weighted Average Fixed Price | $ / AUD	0.748	0.748	0.748	0.748	0.748	0.748	0.748	0.748	0.748	0.748	0.748	0.748	0.748	0.748	0.748	0.748	0.748	0.748	0.748
Weighted Average Mark-to-Market | $ / AUD	0.003	0.003	0.003	0.003	0.003	0.003	0.003	0.003	0.003	0.003	0.003	0.003	0.003	0.003	0.003	0.003	0.003	0.003	0.003
Derivatives not designated as hedging instruments | Foreign currency contracts | 2016 | BRL
Derivative instruments, at their respective fair value positions
Non-Designated, Notional amount of foreign currency contracts | BRL																	BRL 7.3
Fair Value Amount																			$ 0.1
Derivatives not designated as hedging instruments | Foreign currency contracts | 2016 | BRL | Weighted Average
Derivative instruments, at their respective fair value positions
Weighted Average Fixed Price | $ / BRL	3.442	3.442	3.442	3.442	3.442	3.442	3.442	3.442	3.442	3.442	3.442	3.442	3.442	3.442	3.442	3.442	3.442	3.442	3.442
Weighted Average Mark-to-Market | $ / BRL	0.010	0.010	0.010	0.010	0.010	0.010	0.010	0.010	0.010	0.010	0.010	0.010	0.010	0.010	0.010	0.010	0.010	0.010	0.010
Derivatives not designated as hedging instruments | Foreign currency contracts | 2016 | CAD
Derivative instruments, at their respective fair value positions
Non-Designated, Notional amount of foreign currency contracts | CAD																CAD 174.9
Fair Value Amount																			$ (0.7)
Derivatives not designated as hedging instruments | Foreign currency contracts | 2016 | CAD | Weighted Average
Derivative instruments, at their respective fair value positions
Weighted Average Fixed Price | $ / CAD	1.294	1.294	1.294	1.294	1.294	1.294	1.294	1.294	1.294	1.294	1.294	1.294	1.294	1.294	1.294	1.294	1.294	1.294	1.294
Weighted Average Mark-to-Market | $ / CAD	(0.004)	(0.004)	(0.004)	(0.004)	(0.004)	(0.004)	(0.004)	(0.004)	(0.004)	(0.004)	(0.004)	(0.004)	(0.004)	(0.004)	(0.004)	(0.004)	(0.004)	(0.004)	(0.004)
Derivatives not designated as hedging instruments | Foreign currency contracts | 2016 | CHF
Derivative instruments, at their respective fair value positions
Non-Designated, Notional amount of foreign currency contracts | SFr															SFr 0.9
Derivatives not designated as hedging instruments | Foreign currency contracts | 2016 | CHF | Weighted Average
Derivative instruments, at their respective fair value positions
Weighted Average Fixed Price | $ / SFr	0.970	0.970	0.970	0.970	0.970	0.970	0.970	0.970	0.970	0.970	0.970	0.970	0.970	0.970	0.970	0.970	0.970	0.970	0.970
Weighted Average Mark-to-Market | $ / SFr	0.007	0.007	0.007	0.007	0.007	0.007	0.007	0.007	0.007	0.007	0.007	0.007	0.007	0.007	0.007	0.007	0.007	0.007	0.007
Derivatives not designated as hedging instruments | Foreign currency contracts | 2016 | CLP
Derivative instruments, at their respective fair value positions
Non-Designated, Notional amount of foreign currency contracts | CLP														CLP 7,621.0
Fair Value Amount																			$ (0.1)
Derivatives not designated as hedging instruments | Foreign currency contracts | 2016 | CLP | Weighted Average
Derivative instruments, at their respective fair value positions
Weighted Average Fixed Price | $ / CLP	678.600	678.600	678.600	678.600	678.600	678.600	678.600	678.600	678.600	678.600	678.600	678.600	678.600	678.600	678.600	678.600	678.600	678.600	678.600
Weighted Average Mark-to-Market | $ / CLP	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000
Derivatives not designated as hedging instruments | Foreign currency contracts | 2016 | COP
Derivative instruments, at their respective fair value positions
Non-Designated, Notional amount of foreign currency contracts | COP													COP 75,725.7
Fair Value Amount																			$ (0.3)
Derivatives not designated as hedging instruments | Foreign currency contracts | 2016 | COP | Weighted Average
Derivative instruments, at their respective fair value positions
Weighted Average Fixed Price | $ / COP	3,028.989	3,028.989	3,028.989	3,028.989	3,028.989	3,028.989	3,028.989	3,028.989	3,028.989	3,028.989	3,028.989	3,028.989	3,028.989	3,028.989	3,028.989	3,028.989	3,028.989	3,028.989	3,028.989
Weighted Average Mark-to-Market | $ / COP	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000
Derivatives not designated as hedging instruments | Foreign currency contracts | 2016 | DKK
Derivative instruments, at their respective fair value positions
Non-Designated, Notional amount of foreign currency contracts | DKK												DKK 190.1
Fair Value Amount																			$ 0.2
Derivatives not designated as hedging instruments | Foreign currency contracts | 2016 | DKK | Weighted Average
Derivative instruments, at their respective fair value positions
Weighted Average Fixed Price | $ / DKK	6.623	6.623	6.623	6.623	6.623	6.623	6.623	6.623	6.623	6.623	6.623	6.623	6.623	6.623	6.623	6.623	6.623	6.623	6.623
Weighted Average Mark-to-Market | $ / DKK	0.001	0.001	0.001	0.001	0.001	0.001	0.001	0.001	0.001	0.001	0.001	0.001	0.001	0.001	0.001	0.001	0.001	0.001	0.001
Derivatives not designated as hedging instruments | Foreign currency contracts | 2016 | EUR
Derivative instruments, at their respective fair value positions
Non-Designated, Notional amount of foreign currency contracts | €											€ 102.7
Fair Value Amount																			$ 0.9
Derivatives not designated as hedging instruments | Foreign currency contracts | 2016 | EUR | Weighted Average
Derivative instruments, at their respective fair value positions
Weighted Average Fixed Price | $ / €	1.132	1.132	1.132	1.132	1.132	1.132	1.132	1.132	1.132	1.132	1.132	1.132	1.132	1.132	1.132	1.132	1.132	1.132	1.132
Weighted Average Mark-to-Market | $ / €	0.008	0.008	0.008	0.008	0.008	0.008	0.008	0.008	0.008	0.008	0.008	0.008	0.008	0.008	0.008	0.008	0.008	0.008	0.008
Derivatives not designated as hedging instruments | Foreign currency contracts | 2016 | GBP
Derivative instruments, at their respective fair value positions
Non-Designated, Notional amount of foreign currency contracts | £										£ 178.2
Fair Value Amount																			$ 4.1
Derivatives not designated as hedging instruments | Foreign currency contracts | 2016 | GBP | Weighted Average
Derivative instruments, at their respective fair value positions
Weighted Average Fixed Price | $ / £	1.447	1.447	1.447	1.447	1.447	1.447	1.447	1.447	1.447	1.447	1.447	1.447	1.447	1.447	1.447	1.447	1.447	1.447	1.447
Weighted Average Mark-to-Market | $ / £	0.023	0.023	0.023	0.023	0.023	0.023	0.023	0.023	0.023	0.023	0.023	0.023	0.023	0.023	0.023	0.023	0.023	0.023	0.023
Derivatives not designated as hedging instruments | Foreign currency contracts | 2016 | INR
Derivative instruments, at their respective fair value positions
Non-Designated, Notional amount of foreign currency contracts | ₨									₨ 278.3
Derivatives not designated as hedging instruments | Foreign currency contracts | 2016 | INR | Weighted Average
Derivative instruments, at their respective fair value positions
Weighted Average Fixed Price | $ / ₨	67.998	67.998	67.998	67.998	67.998	67.998	67.998	67.998	67.998	67.998	67.998	67.998	67.998	67.998	67.998	67.998	67.998	67.998	67.998
Weighted Average Mark-to-Market | $ / ₨	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000
Derivatives not designated as hedging instruments | Foreign currency contracts | 2016 | JPY
Derivative instruments, at their respective fair value positions
Non-Designated, Notional amount of foreign currency contracts | ¥								¥ 600.8
Fair Value Amount																			$ (0.1)
Derivatives not designated as hedging instruments | Foreign currency contracts | 2016 | JPY | Weighted Average
Derivative instruments, at their respective fair value positions
Weighted Average Fixed Price | $ / ¥	106.540	106.540	106.540	106.540	106.540	106.540	106.540	106.540	106.540	106.540	106.540	106.540	106.540	106.540	106.540	106.540	106.540	106.540	106.540
Weighted Average Mark-to-Market | $ / ¥	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000
Derivatives not designated as hedging instruments | Foreign currency contracts | 2016 | MXN
Derivative instruments, at their respective fair value positions
Non-Designated, Notional amount of foreign currency contracts | MXN							MXN 2,234.5
Fair Value Amount																			$ (0.1)
Derivatives not designated as hedging instruments | Foreign currency contracts | 2016 | MXN | Weighted Average
Derivative instruments, at their respective fair value positions
Weighted Average Fixed Price | $ / MXN	18.290	18.290	18.290	18.290	18.290	18.290	18.290	18.290	18.290	18.290	18.290	18.290	18.290	18.290	18.290	18.290	18.290	18.290	18.290
Weighted Average Mark-to-Market | $ / MXN	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000
Derivatives not designated as hedging instruments | Foreign currency contracts | 2016 | NOK
Derivative instruments, at their respective fair value positions
Non-Designated, Notional amount of foreign currency contracts | NOK						NOK 125.8
Derivatives not designated as hedging instruments | Foreign currency contracts | 2016 | NOK | Weighted Average
Derivative instruments, at their respective fair value positions
Weighted Average Fixed Price | $ / NOK	8.365	8.365	8.365	8.365	8.365	8.365	8.365	8.365	8.365	8.365	8.365	8.365	8.365	8.365	8.365	8.365	8.365	8.365	8.365
Weighted Average Mark-to-Market | $ / NOK	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000
Derivatives not designated as hedging instruments | Foreign currency contracts | 2016 | PLN
Derivative instruments, at their respective fair value positions
Non-Designated, Notional amount of foreign currency contracts | PLN					PLN 13.8
Derivatives not designated as hedging instruments | Foreign currency contracts | 2016 | PLN | Weighted Average
Derivative instruments, at their respective fair value positions
Weighted Average Fixed Price | $ / PLN	3.911	3.911	3.911	3.911	3.911	3.911	3.911	3.911	3.911	3.911	3.911	3.911	3.911	3.911	3.911	3.911	3.911	3.911	3.911
Weighted Average Mark-to-Market | $ / PLN	0.002	0.002	0.002	0.002	0.002	0.002	0.002	0.002	0.002	0.002	0.002	0.002	0.002	0.002	0.002	0.002	0.002	0.002	0.002
Derivatives not designated as hedging instruments | Foreign currency contracts | 2016 | RON
Derivative instruments, at their respective fair value positions
Non-Designated, Notional amount of foreign currency contracts | RON				RON 20.2
Fair Value Amount																			$ 0.1
Derivatives not designated as hedging instruments | Foreign currency contracts | 2016 | RON | Weighted Average
Derivative instruments, at their respective fair value positions
Weighted Average Fixed Price | $ / RON	4.022	4.022	4.022	4.022	4.022	4.022	4.022	4.022	4.022	4.022	4.022	4.022	4.022	4.022	4.022	4.022	4.022	4.022	4.022
Weighted Average Mark-to-Market | $ / RON	0.003	0.003	0.003	0.003	0.003	0.003	0.003	0.003	0.003	0.003	0.003	0.003	0.003	0.003	0.003	0.003	0.003	0.003	0.003
Derivatives not designated as hedging instruments | Foreign currency contracts | 2016 | SEK
Derivative instruments, at their respective fair value positions
Non-Designated, Notional amount of foreign currency contracts | SEK			SEK 103.4
Fair Value Amount																			$ (0.2)
Derivatives not designated as hedging instruments | Foreign currency contracts | 2016 | SEK | Weighted Average
Derivative instruments, at their respective fair value positions
Weighted Average Fixed Price | $ / SEK	8.329	8.329	8.329	8.329	8.329	8.329	8.329	8.329	8.329	8.329	8.329	8.329	8.329	8.329	8.329	8.329	8.329	8.329	8.329
Weighted Average Mark-to-Market | $ / SEK	(0.002)	(0.002)	(0.002)	(0.002)	(0.002)	(0.002)	(0.002)	(0.002)	(0.002)	(0.002)	(0.002)	(0.002)	(0.002)	(0.002)	(0.002)	(0.002)	(0.002)	(0.002)	(0.002)
Derivatives not designated as hedging instruments | Foreign currency contracts | 2016 | SGD
Derivative instruments, at their respective fair value positions
Non-Designated, Notional amount of foreign currency contracts | SGD		SGD 57.1
Fair Value Amount																			$ (0.1)
Derivatives not designated as hedging instruments | Foreign currency contracts | 2016 | SGD | Weighted Average
Derivative instruments, at their respective fair value positions
Weighted Average Fixed Price | $ / SGD	1.359	1.359	1.359	1.359	1.359	1.359	1.359	1.359	1.359	1.359	1.359	1.359	1.359	1.359	1.359	1.359	1.359	1.359	1.359
Weighted Average Mark-to-Market | $ / SGD	(0.001)	(0.001)	(0.001)	(0.001)	(0.001)	(0.001)	(0.001)	(0.001)	(0.001)	(0.001)	(0.001)	(0.001)	(0.001)	(0.001)	(0.001)	(0.001)	(0.001)	(0.001)	(0.001)
Derivatives not designated as hedging instruments | Foreign currency contracts | 2016 | ZAR
Derivative instruments, at their respective fair value positions
Non-Designated, Notional amount of foreign currency contracts | ZAR	ZAR 43.2
Derivatives not designated as hedging instruments | Foreign currency contracts | 2016 | ZAR | Weighted Average
Derivative instruments, at their respective fair value positions
Weighted Average Fixed Price | $ / ZAR	15.358	15.358	15.358	15.358	15.358	15.358	15.358	15.358	15.358	15.358	15.358	15.358	15.358	15.358	15.358	15.358	15.358	15.358	15.358
Weighted Average Mark-to-Market | $ / ZAR	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000
Derivatives not designated as hedging instruments | Foreign currency contracts | 2017 | EUR
Derivative instruments, at their respective fair value positions
Non-Designated, Notional amount of foreign currency contracts | €											€ 7.3
Derivatives not designated as hedging instruments | Foreign currency contracts | 2017 | EUR | Weighted Average
Derivative instruments, at their respective fair value positions
Weighted Average Fixed Price | $ / €	1.145	1.145	1.145	1.145	1.145	1.145	1.145	1.145	1.145	1.145	1.145	1.145	1.145	1.145	1.145	1.145	1.145	1.145	1.145
Weighted Average Mark-to-Market | $ / €	(0.005)	(0.005)	(0.005)	(0.005)	(0.005)	(0.005)	(0.005)	(0.005)	(0.005)	(0.005)	(0.005)	(0.005)	(0.005)	(0.005)	(0.005)	(0.005)	(0.005)	(0.005)	(0.005)
Derivatives not designated as hedging instruments | Foreign currency contracts | 2017 | GBP
Derivative instruments, at their respective fair value positions
Non-Designated, Notional amount of foreign currency contracts | £										£ 17.5
Fair Value Amount																			$ 2.7
Derivatives not designated as hedging instruments | Foreign currency contracts | 2017 | GBP | Weighted Average
Derivative instruments, at their respective fair value positions
Weighted Average Fixed Price | $ / £	1.492	1.492	1.492	1.492	1.492	1.492	1.492	1.492	1.492	1.492	1.492	1.492	1.492	1.492	1.492	1.492	1.492	1.492	1.492
Weighted Average Mark-to-Market | $ / £	0.156	0.156	0.156	0.156	0.156	0.156	0.156	0.156	0.156	0.156	0.156	0.156	0.156	0.156	0.156	0.156	0.156	0.156	0.156
Derivatives not designated as hedging instruments | Foreign currency contracts | 2017 | SEK
Derivative instruments, at their respective fair value positions
Non-Designated, Notional amount of foreign currency contracts | SEK			SEK 25.2
Derivatives not designated as hedging instruments | Foreign currency contracts | 2017 | SEK | Weighted Average
Derivative instruments, at their respective fair value positions
Weighted Average Fixed Price | $ / SEK	8.301	8.301	8.301	8.301	8.301	8.301	8.301	8.301	8.301	8.301	8.301	8.301	8.301	8.301	8.301	8.301	8.301	8.301	8.301
Weighted Average Mark-to-Market | $ / SEK	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000
Derivatives not designated as hedging instruments | Foreign currency contracts | 2018 | EUR
Derivative instruments, at their respective fair value positions
Non-Designated, Notional amount of foreign currency contracts | €											€ 1.7
Derivatives not designated as hedging instruments | Foreign currency contracts | 2018 | EUR | Weighted Average
Derivative instruments, at their respective fair value positions
Weighted Average Fixed Price | $ / €	1.105	1.105	1.105	1.105	1.105	1.105	1.105	1.105	1.105	1.105	1.105	1.105	1.105	1.105	1.105	1.105	1.105	1.105	1.105
Weighted Average Mark-to-Market | $ / €	(0.025)	(0.025)	(0.025)	(0.025)	(0.025)	(0.025)	(0.025)	(0.025)	(0.025)	(0.025)	(0.025)	(0.025)	(0.025)	(0.025)	(0.025)	(0.025)	(0.025)	(0.025)	(0.025)
Derivatives not designated as hedging instruments | Foreign currency contracts | 2018 | GBP
Derivative instruments, at their respective fair value positions
Non-Designated, Notional amount of foreign currency contracts | £										£ 0.5
Derivatives not designated as hedging instruments | Foreign currency contracts | 2018 | GBP | Weighted Average
Derivative instruments, at their respective fair value positions
Weighted Average Fixed Price | $ / £	1.428	1.428	1.428	1.428	1.428	1.428	1.428	1.428	1.428	1.428	1.428	1.428	1.428	1.428	1.428	1.428	1.428	1.428	1.428
Weighted Average Mark-to-Market | $ / £	0.095	0.095	0.095	0.095	0.095	0.095	0.095	0.095	0.095	0.095	0.095	0.095	0.095	0.095	0.095	0.095	0.095	0.095	0.095
Derivatives not designated as hedging instruments | Foreign currency contracts | 2018 | SEK
Derivative instruments, at their respective fair value positions
Non-Designated, Notional amount of foreign currency contracts | SEK			SEK 16.9
Derivatives not designated as hedging instruments | Foreign currency contracts | 2018 | SEK | Weighted Average
Derivative instruments, at their respective fair value positions
Weighted Average Fixed Price | $ / SEK	8.149	8.149	8.149	8.149	8.149	8.149	8.149	8.149	8.149	8.149	8.149	8.149	8.149	8.149	8.149	8.149	8.149	8.149	8.149
Weighted Average Mark-to-Market | $ / SEK	0.003	0.003	0.003	0.003	0.003	0.003	0.003	0.003	0.003	0.003	0.003	0.003	0.003	0.003	0.003	0.003	0.003	0.003	0.003
Derivatives not designated as hedging instruments | Foreign currency contracts | 2019 | GBP
Derivative instruments, at their respective fair value positions
Non-Designated, Notional amount of foreign currency contracts | £										£ 0.3
Derivatives not designated as hedging instruments | Foreign currency contracts | 2019 | GBP | Weighted Average
Derivative instruments, at their respective fair value positions
Weighted Average Fixed Price | $ / £	1.457	1.457	1.457	1.457	1.457	1.457	1.457	1.457	1.457	1.457	1.457	1.457	1.457	1.457	1.457	1.457	1.457	1.457	1.457
Weighted Average Mark-to-Market | $ / £	0.115	0.115	0.115	0.115	0.115	0.115	0.115	0.115	0.115	0.115	0.115	0.115	0.115	0.115	0.115	0.115	0.115	0.115	0.115