Annual report pursuant to Section 13 and 15(d)

Summary of Quarterly Financial Information - Summary of Unaudited Financial Data (Detail)

v2.4.1.9
Summary of Quarterly Financial Information - Summary of Unaudited Financial Data (Detail) (USD $)
In Thousands, except Per Share data, unless otherwise specified
3 Months Ended 12 Months Ended
Dec. 31, 2014
Sep. 30, 2014
Jun. 30, 2014
Mar. 31, 2014
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Income Statement [Abstract]                      
Net sales $ 569,722us-gaap_SalesRevenueGoodsNet $ 674,270us-gaap_SalesRevenueGoodsNet $ 587,051us-gaap_SalesRevenueGoodsNet $ 546,518us-gaap_SalesRevenueGoodsNet $ 450,737us-gaap_SalesRevenueGoodsNet $ 515,756us-gaap_SalesRevenueGoodsNet $ 428,247us-gaap_SalesRevenueGoodsNet $ 451,621us-gaap_SalesRevenueGoodsNet $ 2,377,561us-gaap_SalesRevenueGoodsNet $ 1,846,361us-gaap_SalesRevenueGoodsNet $ 1,560,321us-gaap_SalesRevenueGoodsNet
Gross profit 257,629us-gaap_GrossProfit 304,498us-gaap_GrossProfit 269,375us-gaap_GrossProfit 240,403us-gaap_GrossProfit 200,645us-gaap_GrossProfit 230,521us-gaap_GrossProfit 194,894us-gaap_GrossProfit 192,732us-gaap_GrossProfit 1,071,905us-gaap_GrossProfit 818,792us-gaap_GrossProfit 683,326us-gaap_GrossProfit
Net earnings attributable to Skechers U.S.A., Inc. $ 21,921us-gaap_NetIncomeLoss $ 51,123us-gaap_NetIncomeLoss $ 34,802us-gaap_NetIncomeLoss $ 30,965us-gaap_NetIncomeLoss $ 14,165us-gaap_NetIncomeLoss $ 26,849us-gaap_NetIncomeLoss $ 7,094us-gaap_NetIncomeLoss $ 6,680us-gaap_NetIncomeLoss $ 138,811us-gaap_NetIncomeLoss $ 54,788us-gaap_NetIncomeLoss $ 9,512us-gaap_NetIncomeLoss
Net earnings per share:                      
Net earnings per share, Basic $ 0.43us-gaap_EarningsPerShareBasic $ 1.01us-gaap_EarningsPerShareBasic $ 0.69us-gaap_EarningsPerShareBasic $ 0.61us-gaap_EarningsPerShareBasic $ 0.28us-gaap_EarningsPerShareBasic $ 0.53us-gaap_EarningsPerShareBasic $ 0.14us-gaap_EarningsPerShareBasic $ 0.13us-gaap_EarningsPerShareBasic $ 2.74us-gaap_EarningsPerShareBasic $ 1.09us-gaap_EarningsPerShareBasic $ 0.19us-gaap_EarningsPerShareBasic
Net earnings per share, Diluted $ 0.43us-gaap_EarningsPerShareDiluted $ 1.00us-gaap_EarningsPerShareDiluted $ 0.68us-gaap_EarningsPerShareDiluted $ 0.61us-gaap_EarningsPerShareDiluted $ 0.28us-gaap_EarningsPerShareDiluted $ 0.53us-gaap_EarningsPerShareDiluted $ 0.14us-gaap_EarningsPerShareDiluted $ 0.13us-gaap_EarningsPerShareDiluted $ 2.72us-gaap_EarningsPerShareDiluted $ 1.08us-gaap_EarningsPerShareDiluted $ 0.19us-gaap_EarningsPerShareDiluted