Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2017

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Marketable Securities

Marketable Securities – The Company’s marketable securities consisted of the following at December 31 (in thousands):

	2017		2016
Available-for-sale securities: corporate bonds	$	—	$	5,519
Trading securities: mutual funds	48,006		38,119
Total marketable securities	$	48,006	$	43,638

Changes In Warranty And Safety Recall Liability

Changes in the Company’s warranty and recall liability were as follows (in thousands):

	2017			2016			2015
Balance, beginning of period	$	79,482		$	74,217		$	69,250
Warranties issued during the period	57,834			60,215			59,259
Settlements made during the period	(82,554		)	(99,298		)	(96,529		)
Recalls and changes to pre-existing warranty liabilities	39,438			44,348			42,237
Balance, end of period	$	94,200		$	79,482		$	74,217