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Percentage of the product of the last reported sale price of the common stock.

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No definition available.

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- Definition

Principal amount of Convertible Notes.

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

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-Publisher FASB

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

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Latest date when the debt instrument can be converted into equity, in CCYY-MM-DD format.

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

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

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Percentage of principal amount of debt redeemed.

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No definition available.

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The effective interest rate during the reporting period.

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Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Including the current and noncurrent portions, carrying value as of the balance sheet date of subordinated debt (with initial maturities beyond one year or beyond the operating cycle if longer). Subordinated debt places a lender in a lien position behind debt having a higher priority of repayment in liquidation of the entity's assets.

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Borrowings - Additional Information (Detail) (USD $)	3 Months Ended	12 Months Ended	1 Months Ended	12 Months Ended	1 Months Ended
Borrowings - Additional Information (Detail) (USD $)	Mar. 29, 2015	Dec. 31, 2014	Apr. 30, 2015	Dec. 31, 2013	May 21, 2014	Mar. 30, 2014
Debt Instrument [Line Items]
Debt instrument, stated interest rate	3.875%					3.875%
Latest date		Jul. 28, 2017
Total long-term debt	$ 1,101,565,000us-gaap_LongTermDebt	$ 1,068,401,000us-gaap_LongTermDebt
Line of credit facility interest rate	1.92%
Subsequent Event
Debt Instrument [Line Items]
Debt instrument, redemption price percentage			103.438%
Convertible Senior Subordinated Notes
Debt Instrument [Line Items]
Number of trading period		20 days
Number of consecutive trading period		30 days
Threshold percentage of stock price trigger		130.00%
Number of business period		5 days
Principal amount of convertible notes		1,000
Percentage of product of last reported sale price of common stock		98.00%
Conversion ratio		16.3084
Conversion price, per share		$ 61.32
3.875% Convertible Senior Subordinated Notes
Debt Instrument [Line Items]
Debt instrument, stated interest rate	3.875%	3.875%
Debt instrument maturity date	Aug. 01, 2017
6.875% Senior Subordinated Notes due 2019
Debt Instrument [Line Items]
Debt instrument, stated interest rate	6.875%	6.875%
6.875% senior subordinated notes due 2019	250,000,000	250,000,000
Debt instrument maturity date	Jun. 01, 2019			Jun. 01, 2019
6.875% Senior Subordinated Notes due 2019 \| Subsequent Event
Debt Instrument [Line Items]
Debt instrument, stated interest rate			6.875%
6.875% senior subordinated notes due 2019			250,000,000
5.25% Senior Notes due 2024
Debt Instrument [Line Items]
Debt instrument, stated interest rate	5.25%	5.25%
Debt instrument maturity date	Jun. 15, 2024				Jun. 15, 2024
Securitization Program
Debt Instrument [Line Items]
Debt instrument, stated interest rate	0.93%