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

No definition available.

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Data Type:	num:percentItemType
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Period Type:	duration

- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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

- 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

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Period Type:	duration

- Details

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- Details

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- Details

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- Details

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Financing Arrangements - Senior Unsecured Notes (Details) - Senior unsecured notes - USD ($) $ in Millions		3 Months Ended
	Jul. 17, 2015	Dec. 31, 2018	Feb. 02, 2016	Mar. 31, 2013
Financial arrangement
Coupon rate increase based on leverage ratio (as a percent)		0.75%
Senior Unsecured Notes Issued March 2013 and Due March 2025
Financial arrangement
Principal amount of debt instrument				$ 100.0
Interest rate (as a percent)				3.35%
Senior Unsecured Notes Issued July 2015 and Due March 2025
Financial arrangement
Principal amount of debt instrument	$ 25.0
Interest rate (as a percent)	3.70%
Coupon rate increase based on leverage ratio (as a percent)	0.50%
Senior Unsecured Notes Issued February 2016 and Due March 2026
Financial arrangement
Principal amount of debt instrument			$ 75.0
Interest rate (as a percent)			3.93%