Derivatives - Fair Value Position (Details) - 3 months ended Mar. 31, 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, AUD in Millions, $ in Millions	ZAR $ / bbl $ / ZAR $ / SGD $ / SEK $ / RON $ / PLN $ / NOK $ / MXN $ / ¥ $ / ₨ $ / £ $ / € $ / DKK $ / COP $ / CLP $ / SFr $ / CAD $ / AUD bbl	SGD $ / bbl $ / ZAR $ / SGD $ / SEK $ / RON $ / PLN $ / NOK $ / MXN $ / ¥ $ / ₨ $ / £ $ / € $ / DKK $ / COP $ / CLP $ / SFr $ / CAD $ / AUD	SEK $ / bbl $ / ZAR $ / SGD $ / SEK $ / RON $ / PLN $ / NOK $ / MXN $ / ¥ $ / ₨ $ / £ $ / € $ / DKK $ / COP $ / CLP $ / SFr $ / CAD $ / AUD	RON $ / bbl $ / ZAR $ / SGD $ / SEK $ / RON $ / PLN $ / NOK $ / MXN $ / ¥ $ / ₨ $ / £ $ / € $ / DKK $ / COP $ / CLP $ / SFr $ / CAD $ / AUD	PLN $ / bbl $ / ZAR $ / SGD $ / SEK $ / RON $ / PLN $ / NOK $ / MXN $ / ¥ $ / ₨ $ / £ $ / € $ / DKK $ / COP $ / CLP $ / SFr $ / CAD $ / AUD	NOK $ / bbl $ / ZAR $ / SGD $ / SEK $ / RON $ / PLN $ / NOK $ / MXN $ / ¥ $ / ₨ $ / £ $ / € $ / DKK $ / COP $ / CLP $ / SFr $ / CAD $ / AUD	MXN $ / bbl $ / ZAR $ / SGD $ / SEK $ / RON $ / PLN $ / NOK $ / MXN $ / ¥ $ / ₨ $ / £ $ / € $ / DKK $ / COP $ / CLP $ / SFr $ / CAD $ / AUD	JPY (¥) $ / bbl $ / ZAR $ / SGD $ / SEK $ / RON $ / PLN $ / NOK $ / MXN $ / ¥ $ / ₨ $ / £ $ / € $ / DKK $ / COP $ / CLP $ / SFr $ / CAD $ / AUD	INR (₨) $ / bbl $ / ZAR $ / SGD $ / SEK $ / RON $ / PLN $ / NOK $ / MXN $ / ¥ $ / ₨ $ / £ $ / € $ / DKK $ / COP $ / CLP $ / SFr $ / CAD $ / AUD	GBP (£) $ / bbl $ / ZAR $ / SGD $ / SEK $ / RON $ / PLN $ / NOK $ / MXN $ / ¥ $ / ₨ $ / £ $ / € $ / DKK $ / COP $ / CLP $ / SFr $ / CAD $ / AUD	EUR (€) $ / bbl $ / ZAR $ / SGD $ / SEK $ / RON $ / PLN $ / NOK $ / MXN $ / ¥ $ / ₨ $ / £ $ / € $ / DKK $ / COP $ / CLP $ / SFr $ / CAD $ / AUD	DKK $ / bbl $ / ZAR $ / SGD $ / SEK $ / RON $ / PLN $ / NOK $ / MXN $ / ¥ $ / ₨ $ / £ $ / € $ / DKK $ / COP $ / CLP $ / SFr $ / CAD $ / AUD	COP $ / bbl $ / ZAR $ / SGD $ / SEK $ / RON $ / PLN $ / NOK $ / MXN $ / ¥ $ / ₨ $ / £ $ / € $ / DKK $ / COP $ / CLP $ / SFr $ / CAD $ / AUD	CLP $ / bbl $ / ZAR $ / SGD $ / SEK $ / RON $ / PLN $ / NOK $ / MXN $ / ¥ $ / ₨ $ / £ $ / € $ / DKK $ / COP $ / CLP $ / SFr $ / CAD $ / AUD	CHF (SFr) $ / bbl $ / ZAR $ / SGD $ / SEK $ / RON $ / PLN $ / NOK $ / MXN $ / ¥ $ / ₨ $ / £ $ / € $ / DKK $ / COP $ / CLP $ / SFr $ / CAD $ / AUD	CAD $ / bbl $ / ZAR $ / SGD $ / SEK $ / RON $ / PLN $ / NOK $ / MXN $ / ¥ $ / ₨ $ / £ $ / € $ / DKK $ / COP $ / CLP $ / SFr $ / CAD $ / AUD	AUD $ / bbl $ / ZAR $ / SGD $ / SEK $ / RON $ / PLN $ / NOK $ / MXN $ / ¥ $ / ₨ $ / £ $ / € $ / DKK $ / COP $ / CLP $ / SFr $ / CAD $ / AUD	USD ($) $ / bbl $ / ZAR $ / SGD $ / SEK $ / RON $ / PLN $ / NOK $ / MXN $ / ¥ $ / ₨ $ / £ $ / € $ / DKK $ / COP $ / CLP $ / SFr $ / CAD $ / AUD
Derivatives designated as hedging instruments | Fair value hedges
Derivative instruments, at their respective fair value positions
Fair Value Amount																		$ (0.1)
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	2.5
Weighted Average Fixed Price | $ / bbl	49.507	49.507	49.507	49.507	49.507	49.507	49.507	49.507	49.507	49.507	49.507	49.507	49.507	49.507	49.507	49.507	49.507	49.507
Weighted Average Mark-to-Market | $ / bbl	(0.135)	(0.135)	(0.135)	(0.135)	(0.135)	(0.135)	(0.135)	(0.135)	(0.135)	(0.135)	(0.135)	(0.135)	(0.135)	(0.135)	(0.135)	(0.135)	(0.135)	(0.135)
Fair Value Amount																		$ (0.3)
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	51.789	51.789	51.789	51.789	51.789	51.789	51.789	51.789	51.789	51.789	51.789	51.789	51.789	51.789	51.789	51.789	51.789	51.789
Weighted Average Mark-to-Market | $ / bbl	4.716	4.716	4.716	4.716	4.716	4.716	4.716	4.716	4.716	4.716	4.716	4.716	4.716	4.716	4.716	4.716	4.716	4.716
Fair Value Amount																		$ 0.2
Derivatives designated as hedging instruments | Cash flow hedges.
Derivative instruments, at their respective fair value positions
Fair Value Amount																		$ 9.2
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	24.0
Weighted Average Fixed Price | $ / bbl	47.404	47.404	47.404	47.404	47.404	47.404	47.404	47.404	47.404	47.404	47.404	47.404	47.404	47.404	47.404	47.404	47.404	47.404
Weighted Average Mark-to-Market | $ / bbl	0.241	0.241	0.241	0.241	0.241	0.241	0.241	0.241	0.241	0.241	0.241	0.241	0.241	0.241	0.241	0.241	0.241	0.241
Fair Value Amount																		$ 5.8
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	58.575	58.575	58.575	58.575	58.575	58.575	58.575	58.575	58.575	58.575	58.575	58.575	58.575	58.575	58.575	58.575	58.575	58.575
Weighted Average Mark-to-Market | $ / bbl	2.274	2.274	2.274	2.274	2.274	2.274	2.274	2.274	2.274	2.274	2.274	2.274	2.274	2.274	2.274	2.274	2.274	2.274
Fair Value Amount																		$ 3.4
Derivatives not designated as hedging instruments
Derivative instruments, at their respective fair value positions
Fair Value Amount																		$ 7.8
Derivatives not designated as hedging instruments | Commodity contracts | Long | 2016
Derivative instruments, at their respective fair value positions
Notional value of commodity contracts | bbl	56.0
Weighted Average Fixed Price | $ / bbl	36.915	36.915	36.915	36.915	36.915	36.915	36.915	36.915	36.915	36.915	36.915	36.915	36.915	36.915	36.915	36.915	36.915	36.915
Weighted Average Mark-to-Market | $ / bbl	(9.793)	(9.793)	(9.793)	(9.793)	(9.793)	(9.793)	(9.793)	(9.793)	(9.793)	(9.793)	(9.793)	(9.793)	(9.793)	(9.793)	(9.793)	(9.793)	(9.793)	(9.793)
Fair Value Amount																		$ (548.5)
Derivatives not designated as hedging instruments | Commodity contracts | Long | 2017
Derivative instruments, at their respective fair value positions
Notional value of commodity contracts | bbl	8.6
Weighted Average Fixed Price | $ / bbl	22.835	22.835	22.835	22.835	22.835	22.835	22.835	22.835	22.835	22.835	22.835	22.835	22.835	22.835	22.835	22.835	22.835	22.835
Weighted Average Mark-to-Market | $ / bbl	(0.239)	(0.239)	(0.239)	(0.239)	(0.239)	(0.239)	(0.239)	(0.239)	(0.239)	(0.239)	(0.239)	(0.239)	(0.239)	(0.239)	(0.239)	(0.239)	(0.239)	(0.239)
Fair Value Amount																		$ (2.1)
Derivatives not designated as hedging instruments | Commodity contracts | Long | 2018
Derivative instruments, at their respective fair value positions
Notional value of commodity contracts | bbl	2.2
Weighted Average Fixed Price | $ / bbl	12.593	12.593	12.593	12.593	12.593	12.593	12.593	12.593	12.593	12.593	12.593	12.593	12.593	12.593	12.593	12.593	12.593	12.593
Weighted Average Mark-to-Market | $ / bbl	2.186	2.186	2.186	2.186	2.186	2.186	2.186	2.186	2.186	2.186	2.186	2.186	2.186	2.186	2.186	2.186	2.186	2.186
Fair Value Amount																		$ 4.8
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	20.912	20.912	20.912	20.912	20.912	20.912	20.912	20.912	20.912	20.912	20.912	20.912	20.912	20.912	20.912	20.912	20.912	20.912
Weighted Average Mark-to-Market | $ / bbl	0.210	0.210	0.210	0.210	0.210	0.210	0.210	0.210	0.210	0.210	0.210	0.210	0.210	0.210	0.210	0.210	0.210	0.210
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	21.620	21.620	21.620	21.620	21.620	21.620	21.620	21.620	21.620	21.620	21.620	21.620	21.620	21.620	21.620	21.620	21.620	21.620
Weighted Average Mark-to-Market | $ / bbl	(1.970)	(1.970)	(1.970)	(1.970)	(1.970)	(1.970)	(1.970)	(1.970)	(1.970)	(1.970)	(1.970)	(1.970)	(1.970)	(1.970)	(1.970)	(1.970)	(1.970)	(1.970)
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	20.792	20.792	20.792	20.792	20.792	20.792	20.792	20.792	20.792	20.792	20.792	20.792	20.792	20.792	20.792	20.792	20.792	20.792
Weighted Average Mark-to-Market | $ / bbl	0.136	0.136	0.136	0.136	0.136	0.136	0.136	0.136	0.136	0.136	0.136	0.136	0.136	0.136	0.136	0.136	0.136	0.136
Derivatives not designated as hedging instruments | Commodity contracts | Short | 2016
Derivative instruments, at their respective fair value positions
Notional value of commodity contracts | bbl	53.3
Weighted Average Fixed Price | $ / bbl	38.926	38.926	38.926	38.926	38.926	38.926	38.926	38.926	38.926	38.926	38.926	38.926	38.926	38.926	38.926	38.926	38.926	38.926
Weighted Average Mark-to-Market | $ / bbl	10.374	10.374	10.374	10.374	10.374	10.374	10.374	10.374	10.374	10.374	10.374	10.374	10.374	10.374	10.374	10.374	10.374	10.374
Fair Value Amount																		$ 552.5
Derivatives not designated as hedging instruments | Commodity contracts | Short | 2017
Derivative instruments, at their respective fair value positions
Notional value of commodity contracts | bbl	5.9
Weighted Average Fixed Price | $ / bbl	29.761	29.761	29.761	29.761	29.761	29.761	29.761	29.761	29.761	29.761	29.761	29.761	29.761	29.761	29.761	29.761	29.761	29.761
Weighted Average Mark-to-Market | $ / bbl	0.870	0.870	0.870	0.870	0.870	0.870	0.870	0.870	0.870	0.870	0.870	0.870	0.870	0.870	0.870	0.870	0.870	0.870
Fair Value Amount																		$ 5.2
Derivatives not designated as hedging instruments | Commodity contracts | Short | 2018
Derivative instruments, at their respective fair value positions
Notional value of commodity contracts | bbl	1.5
Weighted Average Fixed Price | $ / bbl	12.253	12.253	12.253	12.253	12.253	12.253	12.253	12.253	12.253	12.253	12.253	12.253	12.253	12.253	12.253	12.253	12.253	12.253
Weighted Average Mark-to-Market | $ / bbl	(1.647)	(1.647)	(1.647)	(1.647)	(1.647)	(1.647)	(1.647)	(1.647)	(1.647)	(1.647)	(1.647)	(1.647)	(1.647)	(1.647)	(1.647)	(1.647)	(1.647)	(1.647)
Fair Value Amount																		$ (2.5)
Derivatives not designated as hedging instruments | Commodity contracts | Short | 2019
Derivative instruments, at their respective fair value positions
Notional value of commodity contracts | bbl	0.1
Weighted Average Fixed Price | $ / bbl	49.907	49.907	49.907	49.907	49.907	49.907	49.907	49.907	49.907	49.907	49.907	49.907	49.907	49.907	49.907	49.907	49.907	49.907
Weighted Average Mark-to-Market | $ / bbl	10.084	10.084	10.084	10.084	10.084	10.084	10.084	10.084	10.084	10.084	10.084	10.084	10.084	10.084	10.084	10.084	10.084	10.084
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
Weighted Average Mark-to-Market | $ / bbl	7.626	7.626	7.626	7.626	7.626	7.626	7.626	7.626	7.626	7.626	7.626	7.626	7.626	7.626	7.626	7.626	7.626	7.626
Fair Value Amount																		$ 0.8
Derivatives not designated as hedging instruments | Foreign currency contracts | 2016 | AUD | Weighted Average
Derivative instruments, at their respective fair value positions
Non-Designated, Notional amount of foreign currency contracts | AUD																	AUD 10.7
Weighted Average Fixed Price | $ / AUD	0.714	0.714	0.714	0.714	0.714	0.714	0.714	0.714	0.714	0.714	0.714	0.714	0.714	0.714	0.714	0.714	0.714	0.714
Weighted Average Mark-to-Market | $ / AUD	(0.044)	(0.044)	(0.044)	(0.044)	(0.044)	(0.044)	(0.044)	(0.044)	(0.044)	(0.044)	(0.044)	(0.044)	(0.044)	(0.044)	(0.044)	(0.044)	(0.044)	(0.044)
Fair Value Amount																		$ (0.5)
Derivatives not designated as hedging instruments | Foreign currency contracts | 2016 | CAD | Weighted Average
Derivative instruments, at their respective fair value positions
Non-Designated, Notional amount of foreign currency contracts | CAD																CAD 65.5
Weighted Average Fixed Price | $ / CAD	1.372	1.372	1.372	1.372	1.372	1.372	1.372	1.372	1.372	1.372	1.372	1.372	1.372	1.372	1.372	1.372	1.372	1.372
Weighted Average Mark-to-Market | $ / CAD	(0.046)	(0.046)	(0.046)	(0.046)	(0.046)	(0.046)	(0.046)	(0.046)	(0.046)	(0.046)	(0.046)	(0.046)	(0.046)	(0.046)	(0.046)	(0.046)	(0.046)	(0.046)
Fair Value Amount																		$ (3.0)
Derivatives not designated as hedging instruments | Foreign currency contracts | 2016 | CHF | Weighted Average
Derivative instruments, at their respective fair value positions
Non-Designated, Notional amount of foreign currency contracts | SFr															SFr 0.3
Weighted Average Fixed Price | $ / SFr	1.005	1.005	1.005	1.005	1.005	1.005	1.005	1.005	1.005	1.005	1.005	1.005	1.005	1.005	1.005	1.005	1.005	1.005
Weighted Average Mark-to-Market | $ / SFr	(0.046)	(0.046)	(0.046)	(0.046)	(0.046)	(0.046)	(0.046)	(0.046)	(0.046)	(0.046)	(0.046)	(0.046)	(0.046)	(0.046)	(0.046)	(0.046)	(0.046)	(0.046)
Derivatives not designated as hedging instruments | Foreign currency contracts | 2016 | CLP | Weighted Average
Derivative instruments, at their respective fair value positions
Non-Designated, Notional amount of foreign currency contracts | CLP														CLP 3,869.5
Weighted Average Fixed Price | $ / CLP	699.730	699.730	699.730	699.730	699.730	699.730	699.730	699.730	699.730	699.730	699.730	699.730	699.730	699.730	699.730	699.730	699.730	699.730
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
Fair Value Amount																		$ (0.1)
Derivatives not designated as hedging instruments | Foreign currency contracts | 2016 | COP | Weighted Average
Derivative instruments, at their respective fair value positions
Non-Designated, Notional amount of foreign currency contracts | COP													COP 71,005.7
Weighted Average Fixed Price | $ / COP	3,293.082	3,293.082	3,293.082	3,293.082	3,293.082	3,293.082	3,293.082	3,293.082	3,293.082	3,293.082	3,293.082	3,293.082	3,293.082	3,293.082	3,293.082	3,293.082	3,293.082	3,293.082
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
Derivatives not designated as hedging instruments | Foreign currency contracts | 2016 | DKK | Weighted Average
Derivative instruments, at their respective fair value positions
Non-Designated, Notional amount of foreign currency contracts | DKK												DKK 44.2
Weighted Average Fixed Price | $ / DKK	6.804	6.804	6.804	6.804	6.804	6.804	6.804	6.804	6.804	6.804	6.804	6.804	6.804	6.804	6.804	6.804	6.804	6.804
Weighted Average Mark-to-Market | $ / DKK	(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)
Fair Value Amount																		$ (0.1)
Derivatives not designated as hedging instruments | Foreign currency contracts | 2016 | EUR | Weighted Average
Derivative instruments, at their respective fair value positions
Non-Designated, Notional amount of foreign currency contracts | €											€ 42.4
Weighted Average Fixed Price | $ / €	1.097	1.097	1.097	1.097	1.097	1.097	1.097	1.097	1.097	1.097	1.097	1.097	1.097	1.097	1.097	1.097	1.097	1.097
Weighted Average Mark-to-Market | $ / €	(0.039)	(0.039)	(0.039)	(0.039)	(0.039)	(0.039)	(0.039)	(0.039)	(0.039)	(0.039)	(0.039)	(0.039)	(0.039)	(0.039)	(0.039)	(0.039)	(0.039)	(0.039)
Fair Value Amount																		$ (1.7)
Derivatives not designated as hedging instruments | Foreign currency contracts | 2016 | GBP | Weighted Average
Derivative instruments, at their respective fair value positions
Non-Designated, Notional amount of foreign currency contracts | £										£ 102.1
Weighted Average Fixed Price | $ / £	1.464	1.464	1.464	1.464	1.464	1.464	1.464	1.464	1.464	1.464	1.464	1.464	1.464	1.464	1.464	1.464	1.464	1.464
Weighted Average Mark-to-Market | $ / £	0.033	0.033	0.033	0.033	0.033	0.033	0.033	0.033	0.033	0.033	0.033	0.033	0.033	0.033	0.033	0.033	0.033	0.033
Fair Value Amount																		$ 3.3
Derivatives not designated as hedging instruments | Foreign currency contracts | 2016 | INR | Weighted Average
Derivative instruments, at their respective fair value positions
Non-Designated, Notional amount of foreign currency contracts | ₨									₨ 94.7
Weighted Average Fixed Price | $ / ₨	68.082	68.082	68.082	68.082	68.082	68.082	68.082	68.082	68.082	68.082	68.082	68.082	68.082	68.082	68.082	68.082	68.082	68.082
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
Derivatives not designated as hedging instruments | Foreign currency contracts | 2016 | JPY | Weighted Average
Derivative instruments, at their respective fair value positions
Non-Designated, Notional amount of foreign currency contracts | ¥								¥ 870.1
Weighted Average Fixed Price | $ / ¥	115.852	115.852	115.852	115.852	115.852	115.852	115.852	115.852	115.852	115.852	115.852	115.852	115.852	115.852	115.852	115.852	115.852	115.852
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
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
Non-Designated, Notional amount of foreign currency contracts | MXN							MXN 1,785.8
Weighted Average Fixed Price | $ / MXN	18.104	18.104	18.104	18.104	18.104	18.104	18.104	18.104	18.104	18.104	18.104	18.104	18.104	18.104	18.104	18.104	18.104	18.104
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
Fair Value Amount																		$ 0.3
Derivatives not designated as hedging instruments | Foreign currency contracts | 2016 | NOK | Weighted Average
Derivative instruments, at their respective fair value positions
Non-Designated, Notional amount of foreign currency contracts | NOK						NOK 72.6
Weighted Average Fixed Price | $ / NOK	8.712	8.712	8.712	8.712	8.712	8.712	8.712	8.712	8.712	8.712	8.712	8.712	8.712	8.712	8.712	8.712	8.712	8.712
Weighted Average Mark-to-Market | $ / NOK	(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)
Fair Value Amount																		$ (0.4)
Derivatives not designated as hedging instruments | Foreign currency contracts | 2016 | PLN | Weighted Average
Derivative instruments, at their respective fair value positions
Non-Designated, Notional amount of foreign currency contracts | PLN					PLN 6.7
Weighted Average Fixed Price | $ / PLN	4.002	4.002	4.002	4.002	4.002	4.002	4.002	4.002	4.002	4.002	4.002	4.002	4.002	4.002	4.002	4.002	4.002	4.002
Weighted Average Mark-to-Market | $ / PLN	(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 | 2016 | RON | Weighted Average
Derivative instruments, at their respective fair value positions
Non-Designated, Notional amount of foreign currency contracts | RON				RON 81.3
Weighted Average Fixed Price | $ / RON	4.128	4.128	4.128	4.128	4.128	4.128	4.128	4.128	4.128	4.128	4.128	4.128	4.128	4.128	4.128	4.128	4.128	4.128
Weighted Average Mark-to-Market | $ / RON	(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)
Fair Value Amount																		$ (0.4)
Derivatives not designated as hedging instruments | Foreign currency contracts | 2016 | SEK | Weighted Average
Derivative instruments, at their respective fair value positions
Non-Designated, Notional amount of foreign currency contracts | SEK			SEK 35.5
Weighted Average Fixed Price | $ / SEK	8.569	8.569	8.569	8.569	8.569	8.569	8.569	8.569	8.569	8.569	8.569	8.569	8.569	8.569	8.569	8.569	8.569	8.569
Weighted Average Mark-to-Market | $ / SEK	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
Fair Value Amount																		$ 0.2
Derivatives not designated as hedging instruments | Foreign currency contracts | 2016 | SGD | Weighted Average
Derivative instruments, at their respective fair value positions
Non-Designated, Notional amount of foreign currency contracts | SGD		SGD 28.3
Weighted Average Fixed Price | $ / SGD	1.407	1.407	1.407	1.407	1.407	1.407	1.407	1.407	1.407	1.407	1.407	1.407	1.407	1.407	1.407	1.407	1.407	1.407
Weighted Average Mark-to-Market | $ / SGD	(0.014)	(0.014)	(0.014)	(0.014)	(0.014)	(0.014)	(0.014)	(0.014)	(0.014)	(0.014)	(0.014)	(0.014)	(0.014)	(0.014)	(0.014)	(0.014)	(0.014)	(0.014)
Fair Value Amount																		$ (0.4)
Derivatives not designated as hedging instruments | Foreign currency contracts | 2016 | ZAR | Weighted Average
Derivative instruments, at their respective fair value positions
Non-Designated, Notional amount of foreign currency contracts | ZAR	ZAR 26.6
Weighted Average Fixed Price | $ / ZAR	16.080	16.080	16.080	16.080	16.080	16.080	16.080	16.080	16.080	16.080	16.080	16.080	16.080	16.080	16.080	16.080	16.080	16.080
Weighted Average Mark-to-Market | $ / ZAR	(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)
Fair Value Amount																		$ (0.1)
Derivatives not designated as hedging instruments | Foreign currency contracts | 2017 | EUR | Weighted Average
Derivative instruments, at their respective fair value positions
Non-Designated, Notional amount of foreign currency contracts | €											€ 1.8
Weighted Average Fixed Price | $ / €	1.083	1.083	1.083	1.083	1.083	1.083	1.083	1.083	1.083	1.083	1.083	1.083	1.083	1.083	1.083	1.083	1.083	1.083
Weighted Average Mark-to-Market | $ / €	(0.070)	(0.070)	(0.070)	(0.070)	(0.070)	(0.070)	(0.070)	(0.070)	(0.070)	(0.070)	(0.070)	(0.070)	(0.070)	(0.070)	(0.070)	(0.070)	(0.070)	(0.070)
Fair Value Amount																		$ (0.1)
Derivatives not designated as hedging instruments | Foreign currency contracts | 2017 | GBP | Weighted Average
Derivative instruments, at their respective fair value positions
Non-Designated, Notional amount of foreign currency contracts | £										£ 9.3
Weighted Average Fixed Price | $ / £	1.527	1.527	1.527	1.527	1.527	1.527	1.527	1.527	1.527	1.527	1.527	1.527	1.527	1.527	1.527	1.527	1.527	1.527
Weighted Average Mark-to-Market | $ / £	0.088	0.088	0.088	0.088	0.088	0.088	0.088	0.088	0.088	0.088	0.088	0.088	0.088	0.088	0.088	0.088	0.088	0.088
Fair Value Amount																		$ 0.8
Derivatives not designated as hedging instruments | Foreign currency contracts | 2018 | EUR | Weighted Average
Derivative instruments, at their respective fair value positions
Non-Designated, Notional amount of foreign currency contracts | €											€ 1.7
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
Weighted Average Mark-to-Market | $ / €	(0.057)	(0.057)	(0.057)	(0.057)	(0.057)	(0.057)	(0.057)	(0.057)	(0.057)	(0.057)	(0.057)	(0.057)	(0.057)	(0.057)	(0.057)	(0.057)	(0.057)	(0.057)
Fair Value Amount																		$ (0.1)
Derivatives not designated as hedging instruments | Foreign currency contracts | 2018 | GBP | Weighted Average
Derivative instruments, at their respective fair value positions
Non-Designated, Notional amount of foreign currency contracts | £										£ 0.2
Weighted Average Fixed Price | $ / £	1.403	1.403	1.403	1.403	1.403	1.403	1.403	1.403	1.403	1.403	1.403	1.403	1.403	1.403	1.403	1.403	1.403	1.403
Weighted Average Mark-to-Market | $ / £	(0.034)	(0.034)	(0.034)	(0.034)	(0.034)	(0.034)	(0.034)	(0.034)	(0.034)	(0.034)	(0.034)	(0.034)	(0.034)	(0.034)	(0.034)	(0.034)	(0.034)	(0.034)