XML 103 R92.htm IDEA: XBRL DOCUMENT v3.10.0.1

Derivative Instruments and Hedging Activities (Forward Foreign Exchange Contracts) (Details) - Forward exchange contracts £ in Millions, $ in Millions, $ in Millions, $ in Millions	Dec. 31, 2018 USD ($)	Dec. 31, 2018 AUD ($)	Dec. 31, 2018 CAD ($)	Dec. 31, 2018 GBP (£)
British Pounds Sterling
Derivative [Line Items]
Foreign Currency Amount | £				£ 6.8
US Dollar Amount	$ 9.6
Weighted average exchange rate per $1 USD	0.71	0.71	0.71	0.71
Canada, Dollars
Derivative [Line Items]
Foreign Currency Amount			$ 21.8
US Dollar Amount	$ 17.1
Weighted average exchange rate per $1 USD	1.27	1.27	1.27	1.27
Australia, Dollars
Derivative [Line Items]
Foreign Currency Amount		$ 4.4
US Dollar Amount	$ 3.5
Weighted average exchange rate per $1 USD	1.28	1.28	1.28	1.28

X

- Definition

Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Sentence Column B

+ Details

Name:	invest_DerivativeNotionalAmount
Namespace Prefix:	invest_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The amount of foreign currency that the entity has contractually agreed, or for which it has the option, to buy or sell with respect to the contract being described.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Sentence Column B

+ Details

Name:	invest_InvestmentForeignCurrencyContractForeignCurrencyAmount
Namespace Prefix:	invest_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Average contractual rate at which a foreign currency can be purchased or sold.

+ References

No definition available.

+ Details

Name:	us-gaap_DerivativeAverageForwardExchangeRate1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_DerivativeLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	srt_CurrencyAxis=currency_GBP
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=us-gaap_ForeignExchangeForwardMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_CurrencyAxis=currency_CAD
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_CurrencyAxis=currency_AUD
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: