Line of Credit, Maximum Borrowing Capacity, Increase

No definition available.

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- Definition

Represents the reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate on specific date.

+ References

No definition available.

+ Details

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- Definition

Amount of amortization expense attributable to debt issuance costs.

+ References

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Balance Type:	debit
Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

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

+ References

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-Publisher FASB
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+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

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

+ References

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

Amount of the required periodic payments including both interest and principal payments.

+ References

+ Details

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

- Definition

Amount, after accumulated amortization, of debt discount.

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+ Details

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

- Definition

Amount of unamortized debt discount (premium) and debt issuance costs.

+ References

+ Details

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

- Definition

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

+ References

+ Details

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

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
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+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Date the credit facility terminates, in CCYY-MM-DD format.

+ References

+ Details

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

- 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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Balance Type:	na
Period Type:	duration

- 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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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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+ Details

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Balance Type:	credit
Period Type:	duration

- Details

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- Details

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- Details

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- Details

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Long-Term Debt (Details Textuals) - USD ($) $ in Millions			3 Months Ended		12 Months Ended
Long-Term Debt (Details Textuals) - USD ($) $ in Millions	Jul. 21, 2016	Dec. 03, 2014	Jul. 31, 2016	Apr. 30, 2016	Jul. 31, 2016	Mar. 15, 2016	Jul. 31, 2015	Sep. 29, 2011	Dec. 14, 2010
Line of Credit Facility [Line Items]
Applicable interest rate added to reference rate in order to compute variable interest rate					1.25%
Reference rate			0.49%		0.49%
Debt instrument costs		$ 3.4
Capitalized debt issuance fees		2.0
Debt discount		1.4
Amortization of Debt Issuance Costs					$ 0.6
Federal Funds Rate
Line of Credit Facility [Line Items]
Applicable interest rate added to reference rate in order to compute variable interest rate					0.50%
LIBOR
Line of Credit Facility [Line Items]
Applicable interest rate added to reference rate in order to compute variable interest rate					1.00%
Adjusted LIBOR One \| Minimum
Line of Credit Facility [Line Items]
Applicable interest rate added to reference rate in order to compute variable interest rate					0.125%
Adjusted LIBOR One \| Maximum
Line of Credit Facility [Line Items]
Applicable interest rate added to reference rate in order to compute variable interest rate					1.00%
Adjusted LIBOR Two \| Revolving Credit Facility \| Minimum
Line of Credit Facility [Line Items]
Applicable interest rate added to reference rate in order to compute variable interest rate					1.125%
Line of Credit \| Revolving Credit Facility \| Minimum
Line of Credit Facility [Line Items]
Commitment fee rate range					0.15%
Line of Credit \| Revolving Credit Facility \| Maximum
Line of Credit Facility [Line Items]
Commitment fee rate range					0.30%
Senior Notes
Line of Credit Facility [Line Items]
Senior notes		400.0
Bank of America \| Line of Credit
Line of Credit Facility [Line Items]
Maximum borrowing capacity									$ 100.0
Repayments of lines of credit		275.0
Bank of America \| Line of Credit \| Alternative Currency Borrowing Credit Facility
Line of Credit Facility [Line Items]
Maximum borrowing capacity									100.0
Bank of America \| Line of Credit \| Letter of Credit
Line of Credit Facility [Line Items]
Maximum borrowing capacity									50.0
Bank of America \| Line of Credit \| Term Loan Facility
Line of Credit Facility [Line Items]
Maximum borrowing capacity								$ 500.0	$ 400.0
Wells Fargo and Bank of America
Line of Credit Facility [Line Items]
Maturity date					Mar. 15, 2021
Wells Fargo and Bank of America \| Adjusted LIBOR Two \| Revolving Credit Facility \| Maximum
Line of Credit Facility [Line Items]
Applicable interest rate added to reference rate in order to compute variable interest rate					2.00%
Wells Fargo and Bank of America \| Line of Credit
Line of Credit Facility [Line Items]
Repayments of lines of credit	$ 242.5
Wells Fargo and Bank of America \| Line of Credit \| Revolving Credit Facility
Line of Credit Facility [Line Items]
Maximum borrowing capacity		300.0
Outstanding borrowings			$ 0.0		$ 0.0		$ 0.0
Wells Fargo and Bank of America \| Line of Credit \| Term Loan Facility
Line of Credit Facility [Line Items]
Maximum borrowing capacity		300.0
Amortization of financing costs			18.8	$ 7.5
WellsFargo,NationalAssociation,SunTrustBankandBankofAmerica,N.A. [Member]
Line of Credit Facility [Line Items]
Maturity date					Jul. 21, 2021
WellsFargo,NationalAssociation,SunTrustBankandBankofAmerica,N.A. [Member] \| Revolving Credit Facility \| Minimum
Line of Credit Facility [Line Items]
Commitment fee rate range					0.125%
WellsFargo,NationalAssociation,SunTrustBankandBankofAmerica,N.A. [Member] \| Revolving Credit Facility \| Maximum
Line of Credit Facility [Line Items]
Commitment fee rate range					0.20%
WellsFargo,NationalAssociation,SunTrustBankandBankofAmerica,N.A. [Member] \| Adjusted LIBOR One \| Revolving Credit Facility \| Minimum
Line of Credit Facility [Line Items]
Applicable interest rate added to reference rate in order to compute variable interest rate					0.00%
WellsFargo,NationalAssociation,SunTrustBankandBankofAmerica,N.A. [Member] \| Adjusted LIBOR One \| Revolving Credit Facility \| Maximum
Line of Credit Facility [Line Items]
Applicable interest rate added to reference rate in order to compute variable interest rate					0.75%
WellsFargo,NationalAssociation,SunTrustBankandBankofAmerica,N.A. [Member] \| Adjusted LIBOR Two \| Revolving Credit Facility \| Minimum
Line of Credit Facility [Line Items]
Applicable interest rate added to reference rate in order to compute variable interest rate					1.00%
WellsFargo,NationalAssociation,SunTrustBankandBankofAmerica,N.A. [Member] \| Adjusted LIBOR Two \| Revolving Credit Facility \| Maximum
Line of Credit Facility [Line Items]
Applicable interest rate added to reference rate in order to compute variable interest rate					1.75%
WellsFargo,NationalAssociation,SunTrustBankandBankofAmerica,N.A. [Member] \| Line of Credit \| Revolving Credit Facility
Line of Credit Facility [Line Items]
Outstanding borrowings			238.0		$ 238.0
First Amendment To Credit Agreement [Member] \| Wells Fargo and Bank of America \| Revolving Credit Facility
Line of Credit Facility [Line Items]
Maximum borrowing capacity						$ 350.0
Line of Credit, Maximum Borrowing Capacity, Increase						50.0
First Amendment To Credit Agreement [Member] \| Wells Fargo and Bank of America \| Term Loan Facility
Line of Credit Facility [Line Items]
Maximum borrowing capacity						93.8
Outstanding borrowings						$ 93.8
Second Amendment To Credit Agreement [Member] [Domain] \| WellsFargo,NationalAssociation,SunTrustBankandBankofAmerica,N.A. [Member] \| Revolving Credit Facility
Line of Credit Facility [Line Items]
Maximum borrowing capacity	$ 500.0		$ 850.0		$ 850.0
4.07% Senior Notes, Series A \| Senior Notes
Line of Credit Facility [Line Items]
Senior notes		$ 100.0
Stated interest rate		4.07%
4.19% Senior Notes, Series B \| Senior Notes
Line of Credit Facility [Line Items]
Senior notes		$ 100.0
Stated interest rate		4.19%
4.25% Senior Notes, Series C \| Senior Notes
Line of Credit Facility [Line Items]
Senior notes		$ 100.0
Stated interest rate		4.25%
4.35% Senior Notes, Series D \| Senior Notes
Line of Credit Facility [Line Items]
Senior notes		$ 100.0
Stated interest rate		4.35%