Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2018

Accounting Policies [Abstract]

Reconciliation of Allowance for Sales Returns

The following table provides a reconciliation of the activity related to the Company’s allowance for sales returns:

	Years Ended December 31,
	2018			2017			2016
	(In thousands)
Beginning balance	$	15,470		$	9,341		$	8,148
Provision	52,088			37,521			38,444
Sales returns	(43,036		)	(31,392		)	(37,251		)
Ending balance	$	24,522		$	15,470		$	9,341

Reconciliation of Reserve for Warranty Expense

The following table provides a reconciliation of the activity related to the Company’s accrued warranty expense:

	Years Ended December 31,
	2018			2017			2016
	(In thousands)
Beginning balance	$	6,657		$	5,395		$	5,706
Provision	9,437			9,434			5,493
Claims paid/costs incurred	(8,484		)	(8,172		)	(5,804		)
Ending balance	$	7,610		$	6,657		$	5,395

Reconciliation of Allowance for Doubtful Accounts

The following table provides a reconciliation of the activity related to the Company’s allowance for estimated credit losses.

	Years Ended December 31,
	2018			2017			2016
	(In thousands)
Beginning balance	$	4,447		$	5,728		$	5,645
Provision for credit losses	2,257			2,335			2,398
Write-off of uncollectible amounts, net of recoveries	(1,094		)	(3,616		)	(2,315		)
Ending balance	$	5,610		$	4,447		$	5,728

Estimated Useful Lives

Depreciation is computed using the straight-line method over estimated useful lives generally as follows:

Buildings and improvements	10-30 years
Machinery and equipment	5-10 years
Furniture, computers and equipment	3-5 years
Production molds	2-5 years

Other Income (Expense) Net

Other income (expense), net primarily includes gains and losses on foreign currency forward contracts and foreign currency transactions. The components of other income (expense), net are as follows:

	Years Ended December 31,
	2018			2017			2016
	(In thousands)
Foreign currency forward contract gain (loss), net	$	10,085		$	(7,688	)	$	(2,917	)
Foreign currency transaction gain (loss), net	(2,824		)	808			226
Other	518			9			1,001
	$	7,779		$	(6,871	)	$	(1,690	)

Schedule of Accumulated Other Comprehensive Income (Loss)

The following table details the amounts reclassified from accumulated other comprehensive income to cost of goods sold, as well as changes in foreign currency translation for the years ended December 31, 2018, 2017 and 2016 (in thousands).

	Derivative Instruments			Foreign Currency Translation			Total
Accumulated other comprehensive loss, December 31, 2015	525			(12,338		)	(11,813		)
Change in derivative instruments	(567		)	—			(567		)
Net losses reclassified to cost of goods sold	1,500			—			1,500
Net losses reclassified to net sales	1,014			—			1,014
Foreign currency translation adjustments	—			(7,698		)	(7,698		)
Income tax expense	(902		)	—			(902		)
Accumulated other comprehensive loss, December 31, 2016, after tax	1,570			(20,036		)	(18,466		)
Change in derivative instruments	(2,679		)	—			(2,679		)
Net losses reclassified to cost of goods sold	187			—			187
Foreign currency translation adjustments	—			14,198			14,198
Income tax expense	594			—			594
Accumulated other comprehensive loss, December 31, 2017, after tax	(328		)	(5,838		)	(6,166		)
Change in derivative instruments	389			—			389
Net gains reclassified to cost of goods sold	(236		)	—			(236		)
Foreign currency translation adjustments	—			(7,969		)	(7,969		)
Income tax expense	282			—			282
Accumulated other comprehensive loss, December, 2018, after tax	$	107		$	(13,807	)	$	(13,700	)