Stockholders' (Deficit) Equity (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended								12 Months Ended
	Jun. 27, 2014	Dec. 31, 2015	Sep. 26, 2015	Jun. 27, 2015	Mar. 28, 2015	Dec. 31, 2014	Sep. 27, 2014	Jun. 28, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance					$ (62,412)				$ 968,301	$ (62,412)	$ 968,301	$ 724,704
Net Income		$ 12,757	$ 32,291	$ (312)	$ 10,521	$ (23,261)	$ 19,408	$ 4,561	$ 30,947	55,257	31,655	219,767
Net gain from pension and postretirement plans										(6,176)	(28,326)	24,971
Net transfers to Rayonier											(1,036,928)	(1,141)
Reclassification to additional paid-in capital										864	0
Issuance of common stock at the Separation											0
Issuance of common stock under incentive stock plans										8	649
Stock-based compensation										9,832	4,695
Excess tax benefit on stock-based compensation											266
Excess tax benefit on stock-based compensation										(2,558)
Repurchase of common stock										(12)	(92)
Adjustments to tax assets and liabilities associated with the Distribution											3,294
Dividends ($0.14 and $0.28 per share for the years ended December 31, 2014 and 2015)										(11,942)	(5,926)
Ending balance		$ (17,139)				$ (62,412)				$ (17,139)	$ (62,412)	$ 968,301
Dividends (in dollars per share)										$ 0.28	$ 0.14	$ 0
Common Stock [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance (shares)					42,616,319				0	42,616,319	0	0
Beginning balance					$ 426				$ 0	$ 426	$ 0	$ 0
Issuance of common stock at the Separation (shares)	42,176,565										42,176,565
Issuance of common stock at the Separation											$ 422
Issuance of common stock under incentive stock plans (shares)										258,176	440,364
Issuance of common stock under incentive stock plans										$ 3	$ 4
Repurchase of common stock (shares)										(2,060)	(610)
Repurchase of common stock										$ 0	$ 0
Ending balance (shares)		42,872,435				42,616,319				42,872,435	42,616,319	0
Ending balance		$ 429				$ 426				$ 429	$ 426	$ 0
Additional Paid in Capital [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance					62,082				0	62,082	0	0
Reclassification to additional paid-in capital										864	53,696
Issuance of common stock at the Separation											(422)
Issuance of common stock under incentive stock plans										5	645
Stock-based compensation										9,832	4,695
Excess tax benefit on stock-based compensation											266
Excess tax benefit on stock-based compensation										(2,558)
Repurchase of common stock										(12)	(92)
Adjustments to tax assets and liabilities associated with the Distribution											3,294
Ending balance		70,213				62,082				70,213	62,082	0
Retained Earnings (Accumulated Deficit) [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance					(21,476)				1,415,894	(21,476)	1,415,894	1,196,127
Net Income										55,257	31,655	219,767
Reclassification to additional paid-in capital											(1,463,099)
Dividends ($0.14 and $0.28 per share for the years ended December 31, 2014 and 2015)										(11,942)	(5,926)
Ending balance		21,839				(21,476)				21,839	(21,476)	1,415,894
Transfers (to) from Rayonier, net [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance					0				(407,894)	0	(407,894)	(406,753)
Net transfers to Rayonier											(1,001,509)	(1,141)
Reclassification to additional paid-in capital											1,409,403
Ending balance		0				0				0	0	(407,894)
Accumulated Other Comprehensive Loss [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance					$ (103,444)				$ (39,699)	(103,444)	(39,699)	(64,670)
Net gain from pension and postretirement plans										(6,176)	(28,326)	24,971
Net transfers to Rayonier											(35,419)
Ending balance		$ (109,620)				$ (103,444)				$ (109,620)	$ (103,444)	$ (39,699)