Skechers U.S.A., Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Stockholders Equity and Stock Compensation - Additional Information (Detail)

Stockholders Equity and Stock Compensation - Additional Information (Detail) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
	Jul. 23, 2024	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Jan. 31, 2022
Class Of Stock [Line Items]
Recognized stock compensation expense		$ 22.6	$ 16.9	$ 42.2	$ 30.4
Unrecognized compensation cost related to nonvested common shares		124.3		$ 124.3
Weighted average period for recognition of cost				1 year 7 months 28 days
ESPP
Class Of Stock [Line Items]
Recognized stock compensation expense		0.9	$ 0.8	$ 1.9	$ 1.5
2022 Share Repurchase Program [Member]
Class Of Stock [Line Items]
Stock repurchase program expiration date				Jan. 31, 2025
Remaining to repurchase shares under Share Repurchase Program		$ 145.7		$ 145.7
Performance-Based Awards [Member]
Class Of Stock [Line Items]
Performance period				3 years
Performance-Based Awards [Member] \| Minimum [Member]
Class Of Stock [Line Items]
Payout percentage of performance awards				0.00%
Performance-Based Awards [Member] \| Maximum [Member]
Class Of Stock [Line Items]
Payout percentage of performance awards				200.00%
2018 ESPP [Member]
Class Of Stock [Line Items]
Number of shares available for sale under employee stock purchase plan		3,437,873		3,437,873
Percentage of price of common stock purchased				85.00%
Maximum percentage of employee's compensation to purchase common stock		15.00%		15.00%
2023 Plan [Member] \| Performance-Based Awards [Member]
Class Of Stock [Line Items]
Number of shares that remain available for grant		5,750,582		5,750,582
2023 Plan [Member] \| Performance-Based Awards [Member] \| Maximum [Member]
Class Of Stock [Line Items]
Number of shares that remain available for grant		5,166,132		5,166,132
Class A Common Stock [Member] \| 2022 Share Repurchase Program [Member]
Class Of Stock [Line Items]
Stock repurchase program authorized amount						$ 500.0
Class A Common Stock [Member] \| New Share Repurchase Program [Member] \| Subsequent Event [Member]
Class Of Stock [Line Items]
Stock repurchase program authorized amount	$ 1,000.0
Stock repurchase program expiration date	Jul. 25, 2027
Class A Common Stock [Member] \| 2018 ESPP [Member]
Class Of Stock [Line Items]
Number of shares available for sale under employee stock purchase plan		5,000,000		5,000,000