Long-Term Debt (Narrative) (Details) (USD $)
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0 Months Ended | 3 Months Ended | 12 Months Ended | 0 Months Ended | 0 Months Ended | 0 Months Ended | 1 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 0 Months Ended | 12 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||||
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Mar. 24, 2010
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Mar. 31, 2013
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Dec. 31, 2012
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Sep. 30, 2012
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Jun. 30, 2012
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Mar. 31, 2012
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Dec. 31, 2011
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Sep. 30, 2011
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Jun. 30, 2011
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Mar. 31, 2013
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Mar. 31, 2012
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Mar. 31, 2011
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Jan. 31, 2012
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Nov. 01, 2010
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Jan. 31, 2012
2012 Senior Notes
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Jan. 31, 2012
Term Loan and ABL Revolver 2012
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Nov. 01, 2010
Senior Notes
2010 Senior Notes
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Mar. 24, 2010
Senior Notes
2010 Senior Notes
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Mar. 31, 2011
Senior Notes
2010 Senior Notes
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Mar. 24, 2010
Senior Notes
2010 Senior Notes
Prior To April 1, 2014
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Mar. 24, 2010
Senior Notes
2010 Senior Notes
Twelve Months Beginning April 1, 2014
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Mar. 24, 2010
Senior Notes
2010 Senior Notes
Twelve Months Beginning April 1, 2015
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Mar. 24, 2010
Senior Notes
2010 Senior Notes
On or After April 1, 2016
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Mar. 24, 2010
Senior Notes
2010 Senior Notes
Prior to April 1, 2013
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Jan. 31, 2012
Senior Notes
2012 Senior Notes
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Jan. 31, 2012
Senior Notes
2012 Senior Notes
Prior To April 1, 2014
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Jan. 31, 2012
Senior Notes
2012 Senior Notes
Prior to April 1, 2013
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Jan. 31, 2012
Senior Notes
2012 Senior Notes
Upon Change in Control
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Jan. 31, 2012
Term Loans
2010 Term Loan
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Nov. 01, 2010
Term Loans
2010 Term Loan
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Mar. 24, 2010
Term Loans
2010 Term Loan
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Mar. 24, 2010
Term Loans
2010 Term Loan
LIBOR
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Jan. 31, 2012
Term Loans
2012 Term Loan
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Mar. 31, 2012
Term Loans
2012 Term Loan
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Dec. 31, 2011
Term Loans
2012 Term Loan
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Mar. 31, 2013
Term Loans
2012 Term Loan
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Mar. 31, 2013
Term Loans
Amended 2012 Term Loan
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Feb. 21, 2013
Term Loans
Amended 2012 Term Loan
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Feb. 21, 2013
Term Loans
Amended 2012 Term Loan
LIBOR
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Feb. 21, 2013
Term Loans
Amended 2012 Term Loan
LIBOR
Minimum
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Feb. 21, 2013
Term Loans
Amended 2012 Term Loan
Base Rate
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Jan. 31, 2012
Term Loans
Amended 2012 Term Loan
Base Rate
Federal Funds Rate
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Jan. 31, 2012
Term Loans
Amended 2012 Term Loan
Base Rate
LIBOR
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Apr. 15, 2010
Senior Subordinated Notes
Senior Subordinated Notes Due in 2012
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Nov. 01, 2010
Revolving Credit Facility
2010 Revolving Credit Facility
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Mar. 24, 2010
Revolving Credit Facility
2010 Revolving Credit Facility
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Jan. 31, 2012
Revolving Credit Facility
2012 ABL Revolver
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Mar. 31, 2013
Revolving Credit Facility
2012 ABL Revolver
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Dec. 31, 2012
Revolving Credit Facility
2012 ABL Revolver
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Sep. 30, 2012
Revolving Credit Facility
2012 ABL Revolver
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Sep. 29, 2012
Revolving Credit Facility
2012 ABL Revolver
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Jan. 31, 2012
Revolving Credit Facility
2012 ABL Revolver
LIBOR
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Jan. 31, 2012
Revolving Credit Facility
2012 ABL Revolver
LIBOR
Minimum
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Jan. 31, 2012
Revolving Credit Facility
2012 ABL Revolver
LIBOR
Maximum
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Jan. 31, 2012
Revolving Credit Facility
2012 ABL Revolver
Base Rate
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Jan. 31, 2012
Revolving Credit Facility
2012 ABL Revolver
Base Rate
Minimum
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Jan. 31, 2012
Revolving Credit Facility
2012 ABL Revolver
Base Rate
Maximum
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Jan. 31, 2012
Revolving Credit Facility
2012 ABL Revolver
Base Rate
Federal Funds Rate
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Jan. 31, 2012
Revolving Credit Facility
2012 ABL Revolver
Base Rate
LIBOR
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Debt Instrument [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Debt instrument, face amount | $ 150,000,000.0 | $ 250,000,000.0 | $ 150,000,000.0 | $ 660,000,000.0 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
Debt instrument, stated interest rate | 8.25% | 8.125% | 9.25% | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Debt instrument, increase, additional borrowings | 100,000,000.0 | 115,000,000.0 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Debt instrument, unamortized discount | 7,100,000 | 11,092,000 | 7,100,000 | 11,092,000 | 2,200,000 | 1,800,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
Debt instrument, unamortized premium | 300,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Proceeds from issuance of long-term debt | 100,300,000 | 147,800,000 | 148,200,000 | 650,100,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
Debt instrument, effective interest rate | 8.50% | 5.00% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Percentage of subsidiary owned | 100.00% | 100.00% | 100.00% | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Debt instrument, basis spread on variable rate | 3.25% | 2.75% | 1.00% | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Debt instrument, reference rate floor | 1.50% | 1.00% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Loss on extinguishment of debt | 1,443,000 | 0 | 0 | 0 | 5,409,000 | 0 | 0 | 0 | 1,443,000 | 5,409,000 | 300,000 | 5,400,000 | (1,400,000) | ||||||||||||||||||||||||||||||||||||||||||||||
Line of credit facility, maximum borrowing capacity | 40,000,000.0 | 30,000,000.0 | 50,000,000 | 75,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
Line of credit facility, increase in borrowing capacity | 10,000,000.0 | 25,000,000.0 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Debt instrument, discount, percentage | 1.50% | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Debt issuance costs capitalized | 6,600,000 | 600,000 | 12,600,000 | 20,600,000 | 12,600,000 | 18,800,000 | 1,800,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||
Debt issuance costs | 7,300,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Debt issuance costs charged to expense | 700,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Debt instrument, basis spread on variable rate, fixed component | 2.00% | 0.50% | 1.00% | 0.50% | 1.00% | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
Repayments of long-term debt | 190,000,000 | 25,000,000 | 51,087,000 | 25,000,000 | 190,000,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
Debt instrument, variable rate | 1.75% | 0.75% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Debt instrument, conditional variable rate | 2.00% | 2.25% | 1.00% | 1.25% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
Line of credit facility, commitment fee percentage | 0.50% | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Line of credit facility, conditional commitment fee percentage | 0.375% | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Line of credit facility, interest rate at period end | 5.20% | 2.20% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Quarterly payment, percent of original principal amount | 0.25% | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Accelerated amortization of deferred financing costs | 5,100,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Debt instrument, maturity term | 7 years | 5 years | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Debt instrument, redemption price, percentage of principal amount | 100.00% | 104.125% | 102.063% | 100.00% | 108.25% | 100.00% | 108.125% | 101.00% | |||||||||||||||||||||||||||||||||||||||||||||||||||
Debt instrument, percentage of principal amount eligible for redemption | 35.00% | 35.00% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Line of credit facility, net amount borrowed in period | 33,000,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Accelerated amortization of debt discount | $ 2,600,000 |