The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Goodwill and Intangible Assets - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Goodwill [Line Items]
Amortization of Intangible Assets	$ 1,246	$ 267	$ 2,466	$ 534
Goodwill	209,773		209,773		$ 55,816
Goodwill, Foreign Currency Translation Gain (Loss)			153,957
Jack Wolfskin
Goodwill [Line Items]
Amortization of Intangible Assets	6,321		12,611
Goodwill	$ 154,234		$ 154,234