The period of time specific payments are to be made per the agreement.

No definition available.

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- Definition

The amount that the debt instrument can increase per the accordian feature.

+ References

No definition available.

+ Details

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Balance Type:	credit
Period Type:	duration

- Definition

Aggregate dividends declared during the period for each share of common stock outstanding.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

+ Details

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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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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Details

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Namespace Prefix:
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Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_LoansPayableMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
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- Details

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Subsequent Events (Details) - USD ($) $ / shares in Units, $ in Millions										3 Months Ended		9 Months Ended
	Nov. 02, 2018	Aug. 03, 2018	Aug. 02, 2018	May 04, 2018	Feb. 21, 2018	Nov. 02, 2017	Aug. 02, 2017	May 05, 2017	Feb. 21, 2017	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Cash Dividend
Cash dividend declared (in dollars per share)			$ 0.060	$ 0.060	$ 0.060	$ 0.060	$ 0.055	$ 0.055	$ 0.055	$ 0.060	$ 0.055	$ 0.180	$ 0.170
Credit Agreement
Credit Agreement
Potential increase per the accordion feature		$ 75.0
Term Loan
Credit Agreement
Principal amount		$ 220.0
Term Loan \| First Three Years
Credit Agreement
Number of years payments are to be made		3 years
Subsequent Events
Cash Dividend
Cash dividend declared (in dollars per share)	$ 0.06