The numerator (principal amount of notes) applied to the debt for purposes of converting a debt instrument.

No definition available.

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- Definition

The amount of accreted discount as of the report date.

+ References

No definition available.

+ Details

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- Definition

The ratio applied to the debt for purposes of determining the number of shares of the equity security into which the debt will be converted for periods on or before March 19, 2013.

+ References

No definition available.

+ Details

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- Definition

The ratio applied to the debt for purposes of determining the number of shares of the equity security into which the debt will be converted for periods after April 12, 2013.

+ References

No definition available.

+ Details

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- Definition

Minimum Percentage Of Notes Not Eligible For Early Redemption

+ References

No definition available.

+ Details

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- Definition

Refers to percentage of outstanding notes, which convertible debt's if-converted value exceeds its principle amount at the balance sheet date, regardless of whether the instrument is currently convertible. This element applies to public companies only.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

Percentage of Notes Converted to Cash

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

Refers to the percentage redemption on notes.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of the portion of long-term debt due within one year or the operating cycle if longer identified as Convertible Notes Payable. Convertible Notes Payable is a written promise to pay a note which can be exchanged for a specified amount of another, related security, at the option of the issuer and the holder.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.20)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Balance Type:	na
Period Type:	instant

- 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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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph e
-URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823

+ Details

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Data Type:	num:percentItemType
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Period Type:	duration

- Definition

Percentage of principal amount of debt redeemed.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
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Period Type:	duration

- Definition

Fair value of financial and nonfinancial obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258

+ Details

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- Definition

Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.16)
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.16)
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 13, 16
-Article 9

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 19, 20, 22
-Article 5

+ Details

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- Definition

Carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion. Senior note holders are paid off in full before any payments are made to junior note holders.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Balance Type:	credit
Period Type:	instant

- Details

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- Details

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Debt - Notes Payable (Details) - USD ($)		12 Months Ended
Debt - Notes Payable (Details) - USD ($)	Mar. 19, 2013	Dec. 31, 2015	Sep. 24, 2015	Dec. 31, 2014	Apr. 12, 2013	Mar. 18, 2013	Dec. 19, 2012
2023 Notes
Debt Instrument [Line Items]
Senior notes, noncurrent		$ 450,000,000.0	$ 450,000,000.0	$ 0
Stated percentage		5.625%	5.625%	0.00%
Percentage of principal amount that may be redeemed		105.625%
Minimum percentage of notes not eligible for early redemption		65.00%
2023 Notes \| Any time on or after October 15, 2018
Debt Instrument [Line Items]
Redemption price, percentage		104.219%
2023 Notes \| Beginning on October 15, 2018
Debt Instrument [Line Items]
Redemption price, percentage		100.00%
2023 Notes \| Any time prior to October 15, 2018 with a 'make-whole' premium and accrued and unpaid interest, if any
Debt Instrument [Line Items]
Percentage of redemption on notes		100.00%
2023 Notes \| Any time prior to October 15, 2018 with the net cash proceeds from certain equity offerings plus accrued and unpaid interest, if any
Debt Instrument [Line Items]
Redemption price, percentage		35.00%
Senior Notes
Debt Instrument [Line Items]
Senior notes, noncurrent		$ 375,000,000.0		$ 375,000,000			$ 375,000,000.0
Stated percentage		6.875%		6.875%			6.875%
Percentage of principal amount that may be redeemed		106.875%
Minimum percentage of notes not eligible for early redemption		65.00%
Senior Notes \| Any time on or after December 15, 2016
Debt Instrument [Line Items]
Redemption price, percentage		103.438%
Senior Notes \| Any time on or after December 15, 2017
Debt Instrument [Line Items]
Redemption price, percentage		101.719%
Senior Notes \| Any time on or after December 15, 2018
Debt Instrument [Line Items]
Redemption price, percentage		100.00%
Senior Notes \| Any time prior to December 15, 2016 with 'make-whole' premium and accrued and unpaid interest, if any
Debt Instrument [Line Items]
Percentage of redemption on notes		100.00%
Senior Notes \| Any time prior to December 15, 2016 with the net cash proceeds from certain equity offerings plus accrued and unpaid interest, if any
Debt Instrument [Line Items]
Percentage of redemption on notes		35.00%
8.0% Sealy Notes
Debt Instrument [Line Items]
Stated percentage	8.00%	8.00%		8.00%	8.00%
Percentage of notes converted to cash					83.00%
Debt instrument, convertible, conversion ratio, period I	$ 2,325.43
Debt conversion ratio numerator	$ 1,000	$ 1,000
Debt instrument, convertible, conversion ratio, period II		$ 2,200
Outstanding convertible notes percentage		17.00%
Notes, fair value						$ 96,200,000
Notes, carrying value		$ 111,100,000		$ 104,700,000
Debt instrument, accreted discount		$ 14,900,000		8,700,000
8.0% Sealy Notes, due July 15, 2016				$ 104,700,000