Borrowings (Schedule Of Long-Term Debt) (Details) - USD ($) $ in Thousands	1 Months Ended	9 Months Ended
Jan. 31, 2015	Aug. 01, 2015	Nov. 01, 2014
Debt Instrument
Long-term debt, gross		$ 875,440	$ 602,115
Unamortized discount		83,378	4,839
Current portion of long-term debt		432	1,826
Long-term debt, net of current portion		$ 791,630	595,450
Senior Secured 2020 Notes
Debt Instrument
Maturity		Feb. 13, 2015
Stated annual interest rate		6.875%
Long-term debt, gross		$ 0	$ 300,000
Effective interest rate		8.39%	7.26%
Convertible Senior Unsecured 2020 Notes
Debt Instrument
Maturity	Jan. 01, 2020	Jan. 01, 2020
Stated annual interest rate		1.375%
Long-term debt, gross		$ 575,000	$ 0
Effective interest rate		4.98%	0.00%
Unamortized discount		$ 80,410
Senior Unsecured 2023 Notes
Debt Instrument
Maturity		Jan. 15, 2023
Stated annual interest rate		4.625%
Long-term debt, gross		$ 300,000	$ 300,000
Effective interest rate		4.83%	4.83%
Capital Lease Obligations
Debt Instrument
Maturity		May 31, 2016
Stated annual interest rate		4.63%
Long-term debt, gross		$ 440	$ 2,115
Effective interest rate		4.63%	5.37%

Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer.

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-Name Accounting Standards Codification

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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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-Publisher FASB

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

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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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Latest date the outstanding debt instruments are required to be repaid, in CCYY-MM-DD format.

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The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized.

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Amount of long-term debt and capital lease obligation due after one year or beyond the normal operating cycle, if longer.

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Amount of long-term debt and capital leases due within one year or the normal operating cycle, if longer.

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