Floor & Decor Holdings, Inc. General form of registration statement for all companies including face-amount certificate companies

General form of registration statement for all companies including face-amount certificate companies

Subsequent Events (Details)

Subsequent Events (Details) $ / shares in Units, $ in Thousands					3 Months Ended			12 Months Ended
	May 02, 2017 USD ($) $ / shares shares	Apr. 24, 2017	Apr. 13, 2017 shares	Mar. 31, 2017 USD ($)	Jun. 29, 2017 USD ($)	Mar. 30, 2017 USD ($) $ / shares shares	Mar. 31, 2016 USD ($)	Dec. 29, 2016 USD ($) $ / shares shares	Dec. 31, 2015 USD ($) $ / shares shares	Dec. 25, 2014 USD ($) shares
Subsequent Event [Line Items]
Share price \| $ / shares								$ 9.99
Payments on term loans \| $						$ 875	$ 367	$ 98,334	$ 1,667	$ 1,467
Loss on extinguishment of debt \| $								$ 1,813	$ 0	$ 0
Shares of stock authorized under the plan \| shares								12,520,407	10,780,970
Number of options granted \| shares						0		2,025,535	1,378,355	748,553
Term Loan Facility \| Base Rate [Member] \| Maximum
Subsequent Event [Line Items]
Variable interest rate (as a percent)						3.25%
Term Loan Facility \| Base Rate [Member] \| Minimum
Subsequent Event [Line Items]
Variable interest rate (as a percent)						2.75%
Term Loan Facility \| London Interbank Offered Rate (LIBOR) [Member] \| Maximum
Subsequent Event [Line Items]
Variable interest rate (as a percent)						4.25%
Term Loan Facility \| London Interbank Offered Rate (LIBOR) [Member] \| Minimum
Subsequent Event [Line Items]
Variable interest rate (as a percent)						3.75%
Subsequent Event
Subsequent Event [Line Items]
Stock split conversion ratio		321.820
Payments on term loans \| $	$ 192,000
Loss on extinguishment of debt \| $					$ 5,400
Subsequent Event \| IPO
Subsequent Event [Line Items]
Net proceeds \| $	$ 192,000
Subsequent Event \| 2017 Plan
Subsequent Event [Line Items]
Shares of stock authorized under the plan \| shares			5,000,000
Subsequent Event \| 2017 Plan \| Employee \| IPO \| Stock options
Subsequent Event [Line Items]
Number of options granted \| shares			1,254,465
Subsequent Event \| 2017 Plan \| Non-employee director \| IPO \| Restricted Stock [Member]
Subsequent Event [Line Items]
Number of restricted shares granted \| shares			15,475
Subsequent Event \| Term Loan Facility
Subsequent Event [Line Items]
Term loan face amount \| $				$ 350,000
Subsequent Event \| Term Loan Facility \| Base Rate [Member] \| Maximum
Subsequent Event [Line Items]
Variable interest rate (as a percent)				2.50%
Subsequent Event \| Term Loan Facility \| Base Rate [Member] \| Minimum
Subsequent Event [Line Items]
Variable interest rate (as a percent)				2.00%
Subsequent Event \| Term Loan Facility \| London Interbank Offered Rate (LIBOR) [Member]
Subsequent Event [Line Items]
LIBOR floor (as a percent)				1.00%
Subsequent Event \| Term Loan Facility \| London Interbank Offered Rate (LIBOR) [Member] \| Maximum
Subsequent Event [Line Items]
Variable interest rate (as a percent)				3.50%
Subsequent Event \| Term Loan Facility \| London Interbank Offered Rate (LIBOR) [Member] \| Minimum
Subsequent Event [Line Items]
Variable interest rate (as a percent)				3.00%
Class A Common Stock
Subsequent Event [Line Items]
Common stock, par value \| $ / shares						$ 0.001		$ 0.001	$ 0.001
Class A Common Stock \| IPO
Subsequent Event [Line Items]
Share price \| $ / shares								$ 21.00
Class A Common Stock \| Subsequent Event \| IPO
Subsequent Event [Line Items]
Number of shares issued \| shares	10,147,025
Share price \| $ / shares	$ 21.00