Sonic Automotive, Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Summary of Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Long-Term Debt - Derivative Instruments and Hedging Activities (Details)

v3.19.1

Long-Term Debt - Derivative Instruments and Hedging Activities (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018	Dec. 31, 2017
Derivatives, Fair Value [Line Items]
Derivative Cash Premium Paid			$ 2.8	$ 1.9
Derivative Instrument, Unamortized Premium	$ 4.5		4.6
Incremental interest expense	0.4	$ 0.1
Net benefit expected to be reclassified	2.9
Interest rate swap and interest rate cap \| Derivative instruments and hedging activities
Derivatives, Fair Value [Line Items]
Fair value of derivative	2.5		4.8
Net cash proceeds	4.8
Interest rate swap and interest rate cap \| Derivative instruments and hedging activities \| Other assets
Derivatives, Fair Value [Line Items]
Derivative asset, fair value of interest rate swap and cap positions	1.3		1.8
Interest rate swap and interest rate cap \| Derivative instruments and hedging activities \| Other current assets
Derivatives, Fair Value [Line Items]
Derivative asset, fair value of interest rate swap and cap positions	$ 1.2
Interest rate swap \| Derivative instruments and hedging activities \| Other current assets
Derivatives, Fair Value [Line Items]
Derivative liability, fair value of interest rate swap and cap positions			$ 3.0

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