Debt and Other Financing Arrangements - New Credit Facility - Other Terms (Details) - Term Loan A, New Credit Facility, Third Amendment - Term Loans	3 Months Ended
	Mar. 31, 2021
Minimum | Debt Covenant, Term 1
Debt Instrument [Line Items]
Consolidated net leverage ratio	3.0
Minimum | Debt Covenant, Term 2
Debt Instrument [Line Items]
Consolidated net leverage ratio	2.5
Minimum | Debt Covenant, Term 3
Debt Instrument [Line Items]
Consolidated net leverage ratio	1.5
Maximum | Debt Covenant, Term 2
Debt Instrument [Line Items]
Consolidated net leverage ratio	3.0
Maximum | Debt Covenant, Term 3
Debt Instrument [Line Items]
Consolidated net leverage ratio	2.5
Maximum | Debt Covenant, Term 4
Debt Instrument [Line Items]
Consolidated net leverage ratio	1.5
Financial Maintenance Covenant | Debt Covenant, Term 1
Debt Instrument [Line Items]
Senior secured net leverage ratio	8.75
Consolidated net leverage ratio	5.25
Financial Maintenance Covenant | Debt Covenant, Term 2
Debt Instrument [Line Items]
Senior secured net leverage ratio	8.25
Consolidated net leverage ratio	4.75
Consolidated interest coverage ratio	2.75
Financial Maintenance Covenant | Debt Covenant, Term 3
Debt Instrument [Line Items]
Senior secured net leverage ratio	4.50
Consolidated net leverage ratio	4.25
Consolidated interest coverage ratio	1.50
Financial Maintenance Covenant | Debt Covenant, Term 4
Debt Instrument [Line Items]
Senior secured net leverage ratio	4.25
Consolidated net leverage ratio	3.75
Consolidated interest coverage ratio	2.75
Financial Maintenance Covenant | Debt Covenant, Term 5
Debt Instrument [Line Items]
Senior secured net leverage ratio	4.00
Covenant Reset Trigger | Debt Covenant, Term 1 | Revolving Credit Facility
Debt Instrument [Line Items]
Consolidated net leverage ratio	4.50
Covenant Reset Trigger | Debt Covenant, Term 2 | Revolving Credit Facility
Debt Instrument [Line Items]
Consolidated net leverage ratio	4.25
Covenant Reset Trigger | Debt Covenant, Term 3 | Revolving Credit Facility
Debt Instrument [Line Items]
Consolidated net leverage ratio	4.00
Covenant Reset Trigger | Debt Covenant, Term 4 | Revolving Credit Facility
Debt Instrument [Line Items]
Consolidated net leverage ratio	3.75
Covenant Reset Trigger | Debt Covenant, Term 5 | Revolving Credit Facility
Debt Instrument [Line Items]
Consolidated net leverage ratio	3.50