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- Definition

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- Definition

debt extinguishment make whole premium

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- Definition

Gain on Termination of Rate Lock Agreement

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No definition available.

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- Definition

Write Off of Remaining Debt Issuance and Discount Costs

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No definition available.

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- 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

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- Definition

States whether the entity was in compliance with the debt covenants throughout the reporting period, and describes facts and circumstances of any compliance failure.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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- Definition

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

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Description of the frequency of periodic payments (monthly, quarterly, annual).

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- Definition

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

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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.

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No definition available.

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Date the entity entered into the derivative contract, in CCYY-MM-DD format.

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No definition available.

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- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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- Definition

The cash outflow for derivative instruments during the period, which are classified as financing activities, excluding those designated as hedging instruments.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

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No definition available.

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- Definition

The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.

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Debt (Details) - USD ($) $ in Thousands		1 Months Ended		3 Months Ended		12 Months Ended
Debt (Details) - USD ($) $ in Thousands	Jun. 03, 2013	Jun. 30, 2013	Apr. 30, 2011	Jan. 30, 2016	Jan. 31, 2015	Oct. 31, 2015	Nov. 02, 2013	Apr. 24, 2013
Debt Instrument [Line Items]
Aggregate principal amount issued for notes				$ 1,750,000		$ 875,000
DebtInstrumentUnamortizedDiscountAndDebtIssuanceCosts				19,052		$ 5,065
Gains (Losses) on Extinguishment of Debt				(3,290)	$ 0
debt extinguishment make whole premium				3,000
Write Off of Remaining Debt Issuance and Discount Costs				300
Proceeds from debt				1,235,331	0
Derivative, Inception Date						Oct. 28, 2014	Apr. 24, 2013
Derivative, Notional Amount				500,000
Gain on Termination of Rate Lock Agreement	$ 11,000
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Payments for Derivative Instrument, Financing Activities				$ 33,430	0
3.0% Senior unsecured notes due April 15, 2016 [Member]
Debt Instrument [Line Items]
Net proceeds of notes offering			$ 370,500
Debt Instrument, Maturity Date			Apr. 15, 2016
Semi-annual fixed interest payments			semi-annual fixed interest payments due on April 15 and October 15 of each year, commencing October 15, 2011
2.875% Senior unsecured notes due June 1, 2023 [Member]
Debt Instrument [Line Items]
Net proceeds of notes offering	493,900
Debt Instrument, Maturity Date		Jun. 01, 2023
Semi-annual fixed interest payments		semi-annual fixed interest payments due on June 1 and December 1 of each year, commencing December 1, 2013
5.3% Senior unsecured notes due December 15, 2045 [Member]
Debt Instrument [Line Items]
Debt Instrument, Maturity Date				Dec. 15, 2045
Semi-annual fixed interest payments				semi-annual fixed interest payments due on June 15 and December 15 of each year, commencing June 15, 2016
Fair Value, Measurements, Nonrecurring [Member] \| 3.0% Senior unsecured notes due April 15, 2016 [Member]
Debt Instrument [Line Items]
Aggregate principal amount issued for notes			$ 375,000
Interest rate to be paid on long term notes			3.00%
Fair Value, Measurements, Nonrecurring [Member] \| 2.875% Senior unsecured notes due June 1, 2023 [Member]
Debt Instrument [Line Items]
Aggregate principal amount issued for notes	$ 500,000
Interest rate to be paid on long term notes	2.875%
Fair Value, Measurements, Nonrecurring [Member] \| 10 year US Treasury rate of 1.7845% [Member]
Debt Instrument [Line Items]
Interest rate to be paid on long term notes								0.00%
Fair Value, Measurements, Nonrecurring [Member] \| 5.3% Senior unsecured notes due December 15, 2045 [Member]
Debt Instrument [Line Items]
Aggregate principal amount issued for notes	$ 400,000
Interest rate to be paid on long term notes	5.30%
3.9% Senior unsecured notes due December 15, 2025 [Member] \| Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Covenant Compliance				compliant with these covenants
5.3% Senior unsecured notes due December 15, 2045 [Member] \| Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Covenant Compliance				compliant with these covenants
2016 Notes [Member]
Debt Instrument [Line Items]
Aggregate principal amount issued for notes				$ 0		$ 375,000
DebtInstrumentUnamortizedDiscountAndDebtIssuanceCosts				0		406
2.875% Senior unsecured notes due June 1, 2023 [Member]
Debt Instrument [Line Items]
Aggregate principal amount issued for notes				500,000		500,000
DebtInstrumentUnamortizedDiscountAndDebtIssuanceCosts				$ 4,505		4,659
3.0% Senior unsecured notes due April 15, 2016 [Member] \| Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Covenant Compliance				compliant with these covenants
2045 Notes [Member]
Debt Instrument [Line Items]
Aggregate principal amount issued for notes				$ 400,000		0
DebtInstrumentUnamortizedDiscountAndDebtIssuanceCosts				5,877		0
2025 Notes [Member]
Debt Instrument [Line Items]
Aggregate principal amount issued for notes				850,000		0
DebtInstrumentUnamortizedDiscountAndDebtIssuanceCosts				8,670		0
Short-term Debt [Member]
Debt Instrument [Line Items]
Aggregate principal amount issued for notes				0		375,000
DebtInstrumentUnamortizedDiscountAndDebtIssuanceCosts				0		406
Long-term Debt [Member]
Debt Instrument [Line Items]
Aggregate principal amount issued for notes				1,750,000		500,000
DebtInstrumentUnamortizedDiscountAndDebtIssuanceCosts				19,052		$ 4,659
Interest Expense [Member]
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Amortization into interest expense from swap termination				$ 557	$ 0