Other Long-Term Obligations

3 Months Ended

Mar. 31, 2018

Other Liabilities Disclosure [Abstract]

Other long-term obligations consist of the following (in thousands):



	March 31, 2018		December 31, 2017
Convertible 2022 debt conversion liability	$	55,224	$	53,414
Convertible 2021 debt conversion liability	55,527		53,154
Deferred income taxes	29,419		28,890
Product liability	13,421		13,575
Pension	10,784		10,340
Deferred gain on sale leaseback	6,346		6,419
Deferred compensation	5,693		5,592
Supplemental Executive Retirement Plan liability	5,596		5,636
Uncertain tax obligation including interest	2,738		2,738
Other	3,156		3,512
Other Long-Term Obligations	$	187,904	$	183,270

The convertible debt conversion liabilities amounts included in the above table represent the fair values of the conversion liabilities as of March 31, 2018 and December 31, 2017. See "Long-Term Debt" in the notes to the Consolidated Financial Statements included elsewhere in this report for more detail.

On April 23, 2015, the company entered into a real estate sale leaseback transaction which resulted in the company recording an initial deferred gain of $7,414,000, the majority of which is included in Other Long-Term Obligations and will be recognized over the 20-year life of the leases. The gains realized were $70,000 and 68,000 for the three months ended March 31, 2018, and 2017, respectively.