Acquisitions (Allocation of The Purchase Price) (Detail) - USD ($) $ in Thousands	Jul. 01, 2016	Dec. 31, 2018	Dec. 31, 2016
Allocated to:
Goodwill			$ 307,744
Total Consideration Paid
Acquisition of Gaiam, Inc. Branded Consumer Business [Member]
Allocated to:
Goodwill	$ 1,084
Trademarks	145,923
Equity method investment	757
Customer agreements	23
Accrued expenses	(200)
Total Consideration Paid	$ 147,587