A catch-up payment on a portion of the interest deduction that was deferred until it was actually paid in cash.

No definition available.

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- Definition

Debt instrument, accrued interest payment terms.

+ References

No definition available.

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- Definition

Debt Instruments, Latest Maturity Date

+ References

No definition available.

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- Definition

Letters Of Credit Secured By Revolving Credit Facility

+ References

No definition available.

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- Definition

Percentage Of Aggregate Principal Redeemable

+ References

No definition available.

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- Definition

Portion Of Debt Held By Subsidiary Exchanged For Cash

+ References

No definition available.

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- Definition

Principal Amount Exchanged For Cash

+ References

No definition available.

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- Definition

Principal Amount Exchanged For Debt

+ References

No definition available.

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- Definition

Principal Debt Amount Exchanged For Senior Cash Pay Notes

+ References

No definition available.

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- Definition

Principal Debt Amount Exchanged For Senior Toggle Notes

+ References

No definition available.

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- Definition

Redemption date

+ References

No definition available.

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- Definition

Redemption Percentage After Redemption Date

+ References

No definition available.

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- Definition

Redemption Percentage Before Redemption Date

+ References

No definition available.

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- Definition

Decrease for amounts that were voluntarily repaid on the long-term debt notes for the period.

+ References

No definition available.

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- Definition

The stated principal amount of the debt instrument at time of issuance, which may vary from the carrying amount because of unamortized premium or discount.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 55

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=6584090&loc=d3e28878-108400

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-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 21

-Paragraph 16, 20

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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- Definition

This element represents the portion of the balance sheet assertion valued at fair value by the entity 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

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 10

-Subparagraph (a)

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-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 12

-URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13476-108611

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- Definition

Interest rate stated in the contractual debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 2: 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

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- Definition

Reflects the calculation as of the balance sheet date of the average interest rate weighted by the amount of debt outstanding by type or by instrument at that time.

+ References

No definition available.

+ Details

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- Definition

Maximum amount borrowed under the credit facility at any time during the period.

+ References

No definition available.

+ Details

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- Definition

The cash outflow for cost incurred in the modification of term of existing debt agreement in order for the entity to achieve some advantage.

+ References

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- Definition

The cash outflow for the payment of other borrowing not otherwise defined in the taxonomy.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 15

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3291-108585

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 20

-Subparagraph b

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 18

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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- Definition

Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 28

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.8)

-URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688

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Long-Term Debt - Additional Information (Detail) (USD $)	3 Months Ended				3 Months Ended				12 Months Ended			3 Months Ended	12 Months Ended										3 Months Ended						3 Months Ended	12 Months Ended			12 Months Ended					3 Months Ended
	Jun. 30, 2013	Sep. 30, 2013	Dec. 31, 2012	Dec. 31, 2011	Mar. 31, 2013 Receivables Based Facility [Member]	Sep. 30, 2013 Term Loan D [Member]	Jun. 30, 2013 Term Loan D [Member] Adjusted LIBOR [Member]	Jun. 30, 2013 Term Loan D [Member] Base Rate [Member]	Dec. 31, 2012 Senior Cash Pay Notes Due 2016 [Member]	Sep. 30, 2013 Senior Cash Pay Notes Due 2016 [Member]	Jun. 30, 2013 Senior Cash Pay Notes Due 2016 [Member]	Jun. 30, 2013 Senior Toggle Notes Due 2016 [Member]	Dec. 31, 2012 Senior Toggle Notes Due 2016 [Member]	Sep. 30, 2013 Senior Toggle Notes Due 2016 [Member]	Sep. 30, 2013 Senior Toggle Notes Due 2016 [Member] Minimum [Member]	Jun. 30, 2013 Senior Toggle Notes Due 2016 [Member] Minimum [Member]	Dec. 31, 2012 Senior Toggle Notes Due 2016 [Member] Minimum [Member]	Sep. 30, 2013 Senior Toggle Notes Due 2016 [Member] Maximum [Member]	Jun. 30, 2013 Senior Toggle Notes Due 2016 [Member] Maximum [Member]	Dec. 31, 2012 Senior Toggle Notes Due 2016 [Member] Maximum [Member]	Sep. 30, 2013 Term Loan B [Member]	Sep. 30, 2013 Term Loan C [Member]	Jun. 30, 2013 Senior Notes due 2021 [Member]	Sep. 30, 2013 Senior Notes due 2021 [Member]	Jun. 30, 2013 Senior Notes due 2021 [Member] First Redemption Portion [Member]	Jun. 30, 2013 Senior Notes due 2021 [Member] Second Redemption Portion [Member]	Jun. 30, 2013 Senior Notes due 2021 [Member] 12% Cash Payment [Member]	Jun. 30, 2013 Senior Notes due 2021 [Member] 2% PIK Payment [Member]	Mar. 31, 2013 11.25% Priority Guarantee Notes [Member]	Dec. 31, 2012 9.0% Priority Guarantee Notes Due 2021 [Member]	Sep. 30, 2013 9.0% Priority Guarantee Notes Due 2021 [Member]	Mar. 31, 2013 9.0% Priority Guarantee Notes Due 2021 [Member]	Dec. 31, 2012 Priority Guarantee Notes Due 2019 [Member]	Sep. 30, 2013 Priority Guarantee Notes Due 2019 [Member]	Mar. 31, 2013 Priority Guarantee Notes Due 2019 [Member]	Sep. 30, 2013 Subsidiary Senior Revolving Credit Facility Due 2018 [Member]	Dec. 31, 2012 Subsidiary Senior Revolving Credit Facility Due 2018 [Member]	Mar. 31, 2013 Senior Notes 575 [Member]	Mar. 31, 2013 Tranche A Term Loan [Member]	Mar. 31, 2012 Tranche A Term Loan [Member]	Sep. 30, 2013 Level 2 [Member]	Dec. 31, 2012 Level 2 [Member]
Debt Instrument [Line Items]
Weighted average interest rate		7.20%	6.70%	6.20%
Market value			$ 18,600,000,000	$ 16,200,000,000																																					$ 19,900,000,000	$ 18,600,000,000
Stated interest rate							6.75%	5.75%	10.75%	10.75%	10.75%		11.00%		11.00%	11.00%	11.00%	11.75%	11.75%	11.75%			14.00%				12.00%	2.00%	11.25%	9.00%	9.00%	9.00%	9.00%	9.00%	9.00%			5.75%
Latest maturity date						January 30, 2019			2016	2016	2016	2016	2016	2016							January 30, 2016	January 30, 2016	February 1, 2021	2021					March 1, 2021	2021	2021		2019	2019		2018	2018	2013
Principal amount						5,000,000,000															3,000,000,000	197,200,000	1,200,000,000						575,000,000							75,000,000		312,100,000
Portion of debt held by subsidiary												452,700,000											421,000,000															187,900,000
Principal amount exchanged for debt											348,100,000	917,200,000
Principal debt amount exchanged for senior cash pay notes																							348,000,000
Principal debt amount exchanged for senior toggle notes																							853,000,000
Principal amount exchanged for cash												64,200,000
Accrued interest payment terms																							Interest on the Senior Notes due 2021 is payable semi-annually on February 1 and August 1 of each year, commencing August 1, 2013.						Bear interest at a rate of 11.25% per annum, payable semi-annually on March 1 and September 1 of each year, beginning on September 1, 2013.
Redemption percentage of face value before redemption date									100.00%				100.00%										100.00%						100.00%	100.00%			100.00%
Redemption date									Aug. 01, 2012				Aug. 01, 2012										Aug. 01, 2015						Mar. 01, 2016	Mar. 01, 2016			Jul. 15, 2015
Percentage of aggregate principal redeemable																							60.00%		30.00%	30.00%			40.00%	40.00%			40.00%
Redemption percentage of face value after redemption date																									109.00%	112.00%			111.25%	109.00%			109.00%
Letters of credit secured by revolving credit facility																																				32,600,000
Applicable high yield discount obligation payment		25,300,000
Portion of debt held by subsidiary exchanged for cash												31,700,000
Payments for debt modification costs	17,900,000
Borrowings during the period					269,500,000
Voluntary debt prepayment																																							846,900,000	16,200,000
Loss on extinguishment of debt as a result of write-off of degerred debt issuance costs																																							$ 3,900,000