Other assets and investments (Tables)

12 Months Ended

Dec. 31, 2016

Investments, All Other Investments [Abstract]

Schedule of Other Assets

Our investments and other assets consisted of the following as of December 31, 2016 and December 31, 2015:

In thousands of dollars
	Dec. 31, 2016		Dec. 31, 2015
Cash value life insurance	$	64,134	$	68,332
Deferred compensation investments	52,273		77,199
Equity method investments	19,970		27,824
Available for sale investment	16,744		28,090
Deferred debt issuance cost	9,856		13,620
Other long-term assets	58,083		41,925
Total	$	221,060	$	256,990