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 ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Goodwill [Line Items]
Amortization of Intangible Assets	$ 1,113,000	$ 266,000	$ 3,579,000	$ 800,000
Goodwill	201,044,000		201,044,000		$ 55,816,000
Goodwill, Foreign Currency Translation Gain (Loss)			145,228,000
Goodwill and Intangible Asset Impairment	0		0
Jack Wolfskin
Goodwill [Line Items]
Amortization of Intangible Assets	954,000		13,582,000
Goodwill	$ 152,237,000		$ 152,237,000