Floor & Decor Holdings, Inc. Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements (Details) - Recurring - USD ($) $ in Thousands	Dec. 26, 2019	Dec. 27, 2018
Designated as Hedging Instrument [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate cap	$ 20	$ 1,076
Not Designated as Hedging Instrument [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate cap		1,075
Level 2 \| Designated as Hedging Instrument [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate cap	$ 20	1,076
Level 2 \| Not Designated as Hedging Instrument [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate cap		$ 1,075