Percentage points added to the reference rate to compute the variable rate on the debt instrument.

No definition available.

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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400

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-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399

+ Details

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Period Type:	instant

- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

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- 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.

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- Definition

Amount of the required periodic payments applied to principal.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph e
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- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Weighted average interest rate of debt outstanding.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 30
-Section 45
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Balance Type:	debit
Period Type:	instant

- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

+ Details

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
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-Section S99
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-Subparagraph (SX 210.7-03(a)(16))
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-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
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+ Details

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- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

+ References

No definition available.

+ Details

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- Definition

The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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-Section 45
-Paragraph 15
-Subparagraph (b)
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LONG-TERM DEBT (Details)				1 Months Ended			12 Months Ended
LONG-TERM DEBT (Details)	May 31, 2017 USD ($)	Aug. 31, 2016 EUR (€)	Sep. 30, 2014 CAD	May 31, 2016 USD ($)	Aug. 31, 2015 GBP (£)	Jun. 30, 2015 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2017 CAD	Dec. 31, 2016 CAD
Debt Instrument [Line Items]
Repayments debt							$ 39,301,000	$ 262,248,000	$ 52,838,000
August 2016 Credit Agreement [Member] \| Revolving credit facility [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity \| €		€ 20,000,000
Senior notes [Member] \| Unsecured Senior Notes, 4.20% [Member]
Debt Instrument [Line Items]
Face amount of debt	$ 400,000,000
Stated interest rate	4.20%						4.20%			4.20%
Basis points	0.20%
Debt issuance costs and discounts	$ 5,800,000
Debt, fair value							$ 411,000,000
Senior notes [Member] \| Unsecured Senior Notes, 4.20% [Member] \| Debt redemption, period one [Member]
Debt Instrument [Line Items]
Debt redemption percentage	101.00%
Senior notes [Member] \| Unsecured Senior Notes, 4.20% [Member] \| Debt redemption, period two [Member]
Debt Instrument [Line Items]
Debt redemption percentage	100.00%
Senior notes [Member] \| Unsecured Senior Notes, 3.75% [Member]
Debt Instrument [Line Items]
Face amount of debt				$ 400,000,000
Stated interest rate				3.75%			3.75%			3.75%
Basis points				0.20%
Debt issuance costs and discounts				$ 7,000,000
Debt, fair value							$ 384,000,000	371,000,000
Senior notes [Member] \| Unsecured Senior Notes, 3.75% [Member] \| Debt redemption, period one [Member]
Debt Instrument [Line Items]
Debt redemption percentage				101.00%
Senior notes [Member] \| Unsecured Senior Notes, 3.75% [Member] \| Debt redemption, period two [Member]
Debt Instrument [Line Items]
Debt redemption percentage				100.00%
Senior notes [Member] \| Unsecured Senior Notes, 4.60% [Member]
Debt Instrument [Line Items]
Face amount of debt						$ 1,000,000,000
Stated interest rate						4.60%	4.60%			4.60%
Basis points						0.25%
Debt issuance costs and discounts						$ 11,000,000
Debt, fair value							$ 1,100,000,000	$ 1,100,000,000
Senior notes [Member] \| Unsecured Senior Notes, 4.60% [Member] \| Debt redemption, period one [Member]
Debt Instrument [Line Items]
Debt redemption percentage						101.00%
Senior notes [Member] \| Unsecured Senior Notes, 4.60% [Member] \| Debt redemption, period two [Member]
Debt Instrument [Line Items]
Debt redemption percentage						100.00%
Line of credit [Member] \| Revolving credit facility [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity \| £					£ 20,000,000
Term loan [Member] \| British pound term loan [Member]
Debt Instrument [Line Items]
Face amount of debt \| £					£ 160,000,000
Debt, term					5 years
Semi annual payments \| £					£ 4,000,000
Weighted average interest rate							1.04%	1.17%		1.04%	1.17%
Term loan [Member] \| August 2016 Credit Agreement [Member]
Debt Instrument [Line Items]
Face amount of debt \| €		€ 110,000,000
Debt, term		5 years
Effective interest rate							0.45%			0.45%
Revolving credit facility [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity \| CAD			CAD 175,000,000
Weighted average interest rate							1.78%			1.78%
Commitment fee percentage							0.07%
Long-term debt, outstanding \| CAD										CAD 125,000,000	CAD 135,000,000
Euro term loan [Member]
Debt Instrument [Line Items]
Repayments debt \| €		€ 102,500,000
London Interbank Offered Rate (LIBOR) [Member] \| Term loan [Member] \| British pound term loan [Member]
Debt Instrument [Line Items]
Basis points					0.75%
Euro Interbank Offered Rate (EURIBOR) [Member] \| Term loan [Member] \| August 2016 Credit Agreement [Member]
Debt Instrument [Line Items]
Basis points		0.45%
Canadian Dollar Offered Rate (CDOR) [Member] \| Revolving credit facility [Member]
Debt Instrument [Line Items]
Basis points			0.70%