Debt Instrument, Comparable Yield

No definition available.

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- Definition

Debt Instrument, Convertible, Measurement Period, Threshold Consecutive Business Days

+ References

No definition available.

+ Details

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- Definition

Debt Instrument, Convertible, Measurement Period, Threshold Consecutive Trading Days

+ References

No definition available.

+ Details

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- Definition

Debt Instrument, Convertible, Measurement Period, Threshold Percentage of Product of Sale Price of Common Stock and Applicable Conversion Rate

+ References

No definition available.

+ Details

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- Definition

Proceeds from Debt for General Corporate Purposes

+ References

No definition available.

+ Details

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- Definition

Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense.

+ References

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-Name Accounting Standards Codification
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- Definition

Including the current and noncurrent portions, carrying amount of debt identified as being convertible into another form of financial instrument (typically the entity's common stock) as of the balance sheet date, which originally required full repayment more than twelve months after issuance or greater than the normal operating cycle of the company.

+ References

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+ Details

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Period Type:	instant

- Definition

The price per share of the conversion feature embedded in the debt instrument.

+ References

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- Definition

Ratio applied to the conversion of debt instrument into equity with equity shares divided by debt principal amount.

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- Definition

Threshold period of specified consecutive trading days within which common stock price to conversion price of convertible debt instruments must exceed threshold percentage for a specified number of trading days to trigger conversion feature, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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- Definition

Minimum percentage of common stock price to conversion price of convertible debt instruments to determine eligibility of conversion.

+ References

No definition available.

+ Details

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- Definition

Threshold number of specified trading days that common stock price to conversion price of convertible debt instruments must exceed threshold percentage within a specified consecutive trading period to trigger conversion feature.

+ References

No definition available.

+ Details

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- Definition

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

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+ Details

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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.

+ Details

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- Definition

Amount, after accumulated amortization, of debt discount.

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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 a financial contract that meets the hedge criteria as either cash flow hedge, fair value hedge or hedge of net investment in foreign operations.

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- Definition

The cash inflow from the issuance of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.

+ References

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- Definition

The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

+ References

No definition available.

+ Details

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- Definition

Number of shares that have been repurchased and retired during the period.

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- Definition

Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital).

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- Definition

The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

+ References

+ Details

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Debt Convertible Senior Notes Due 2021 (Details) $ / shares in Units, $ in Thousands		2 Months Ended	3 Months Ended				6 Months Ended
	Sep. 15, 2015 USD ($) $ / shares shares	Sep. 11, 2015 USD ($)	Jan. 28, 2017 USD ($) shares	Apr. 23, 2016 shares	Jan. 23, 2016 USD ($)	Oct. 24, 2015 USD ($) trading_day shares	Jan. 28, 2017 USD ($)	Jan. 23, 2016 USD ($)	Jul. 30, 2016 USD ($)
Debt Instrument [Line Items]
Stock repurchased and retired during period, value	$ 60,000	$ 110,000
Stock repurchased and retired during period, shares \| shares	805,000		313,006	1,557,354		954,224
Payments for Hedge, Financing Activities							$ 0	$ 115,818
Amortization of debt discount							8,686	5,928
0.75% Convertible Senior Notes Due 2021
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 485,000		$ 485,000				$ 485,000		$ 485,000
Proceeds from Convertible Debt	471,700
Payments for Hedge, Financing Activities	41,100
Proceeds from Debt for General Corporate Purposes	$ 73,900
Debt, interest rate (in percent)			0.75%				0.75%		0.75%
Debt Instrument, Convertible, Conversion Ratio	0.0103211
Debt Instrument, Convertible, Conversion Price (per share) \| $ / shares	$ 96.89
Debt Instrument, Convertible, Threshold Trading Days \| trading_day						20
Debt Instrument, Convertible, Threshold Consecutive Trading Days						30 days
Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger						130.00%
Debt Instrument, Convertible, Measurement Period, Threshold Consecutive Business Days						5 days
Debt Instrument, Convertible, Measurement Period, Threshold Consecutive Trading Days						5 days
Debt Instrument, Convertible, Measurement Period, Threshold Percentage of Product of Sale Price of Common Stock and Applicable Conversion Rate						98.00%
Debt Instrument, Comparable Yield			5.50%
Amortization of debt discount			$ 4,400		$ 4,100		$ 8,700	$ 5,900
Long-term Debt, Fair Value			425,200				425,200		$ 458,700
Convertible Debt			382,513				382,513		373,077
Debt Instrument, Unamortized Discount			(92,993)				(92,993)		(101,679)
Unamortized Debt Issuance Expense	$ 15,100		$ 9,494				$ 9,494		$ 10,244
7.125% Senior Subordinated Notes Due 2021
Debt Instrument [Line Items]
Repayments of Debt						$ 296,600
Debt, interest rate (in percent)									7.125%