Segment Information - Assets (Detail) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015	Sep. 30, 2015
Segment Reporting, Asset Reconciling Item [Line Items]
Accounts receivable and inventories, net	$ 2,439,354	$ 1,732,620	$ 2,322,035
Operating Segments
Segment Reporting, Asset Reconciling Item [Line Items]
Accounts receivable and inventories, net	2,283,229	1,633,068	2,222,790
Operating Segments | North America
Segment Reporting, Asset Reconciling Item [Line Items]
Accounts receivable and inventories, net	1,050,120	764,945	1,011,546
Operating Segments | International
Segment Reporting, Asset Reconciling Item [Line Items]
Accounts receivable and inventories, net	1,049,008	759,709	1,063,727
Operating Segments | American Girl
Segment Reporting, Asset Reconciling Item [Line Items]
Accounts receivable and inventories, net	184,101	108,414	147,517
Corporate and Other
Segment Reporting, Asset Reconciling Item [Line Items]
Accounts receivable and inventories, net	$ 156,125	$ 99,552	$ 99,245