Long-Term Debt (2012 Term Loan and 2012 ABL Revolver) (Details) (USD $)				0 Months Ended		3 Months Ended				0 Months Ended		3 Months Ended		0 Months Ended								0 Months Ended
	Dec. 17, 2013	Jan. 31, 2012	Jan. 31, 2012 Term Loan and ABL Revolver 2012	Jan. 31, 2012 Term Loans 2012 Term Loan	Jan. 31, 2012 Term Loans 2012 Term Loan	Jun. 30, 2014 Term Loans 2012 Term Loan	Mar. 31, 2013 Term Loans Amended 2012 Term Loan	Feb. 21, 2013 Term Loans Amended 2012 Term Loan	Jun. 30, 2014 Revolving Credit Facility 2010 Revolving Credit Facility	Jan. 31, 2012 Revolving Credit Facility 2012 ABL Revolver	Jan. 31, 2012 Revolving Credit Facility 2012 ABL Revolver	Jun. 30, 2013 Revolving Credit Facility 2012 ABL Revolver	Jun. 30, 2014 Revolving Credit Facility 2012 ABL Revolver	Feb. 21, 2013 LIBOR Term Loans Amended 2012 Term Loan	Jan. 31, 2012 LIBOR Revolving Credit Facility 2012 ABL Revolver	Jan. 31, 2012 Base Rate Term Loans 2012 Term Loan	Jan. 31, 2012 Base Rate Revolving Credit Facility 2012 ABL Revolver	Jan. 31, 2012 Base Rate Federal Funds Rate Term Loans 2012 Term Loan	Jan. 31, 2012 Base Rate Federal Funds Rate Revolving Credit Facility 2012 ABL Revolver	Jan. 31, 2012 Base Rate LIBOR Term Loans 2012 Term Loan	Jan. 31, 2012 Base Rate LIBOR Revolving Credit Facility 2012 ABL Revolver	Jan. 31, 2012 Minimum LIBOR Term Loans 2012 Term Loan	Jan. 31, 2012 Minimum LIBOR Revolving Credit Facility 2012 ABL Revolver	Jan. 31, 2012 Minimum Base Rate Revolving Credit Facility 2012 ABL Revolver	Jan. 31, 2012 Maximum LIBOR Revolving Credit Facility 2012 ABL Revolver	Jan. 31, 2012 Maximum Base Rate Revolving Credit Facility 2012 ABL Revolver
Debt Instrument [Line Items]
Debt instrument, face amount					$ 660,000,000
Debt instrument, maturity term				7 years						5 years
Line of credit facility, maximum borrowing capacity											50,000,000		95,000,000
Line of credit facility, increase in borrowing capacity									45,000,000
Debt instrument, interest rate, increase (decrease)												(0.25%)
Debt instrument, discount, percentage					1.50%
Proceeds from issuance of long-term debt					650,100,000
Debt issuance costs capitalized			20,600,000
Percentage of subsidiary owned	100.00%	100.00%
Debt instrument, basis spread on variable rate														2.75%								1.00%
Debt instrument, reference rate floor								1.00%
Loss on extinguishment of debt							$ 1,400,000
Debt instrument, basis spread on variable rate, fixed component																2.00%		0.50%	0.50%	1.00%	1.00%
Debt instrument, average interest rate during period						4.30%
Debt instrument, quarterly payment, percent of original principal amount					0.25%
Debt instrument, variable rate															1.75%		0.75%
Debt instrument, conditional variable rate																							2.00%	1.00%	2.25%	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													4.20%