Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014	Mar. 31, 2014	Dec. 31, 2013
Current Assets
Cash and cash equivalents	$ 134,516	$ 163,549	$ 85,985	$ 118,249
Receivables
Trade, less allowances of $2,293 and $2,062	213,702	172,314
Related parties	573	821
Other	5,361	7,311
Inventories	432,467	394,461
Deferred income taxes	19,749	20,311
Prepaid expenses and other	7,602	14,857
Total current assets	813,970	773,624
Property and equipment, net	364,280	368,128
Timber deposits	13,810	13,819
Deferred financing costs	6,843	7,149
Goodwill	21,823	21,823
Intangible assets, net	10,160	10,183
Deferred income taxes	16,033	16,684
Other assets	9,873	9,075
Total assets	1,256,792	1,220,485
Accounts payable
Trade	207,945	150,693
Related parties	3,591	1,743
Accrued liabilities
Compensation and benefits	46,914	66,170
Interest payable	8,079	3,298
Other	27,800	33,286
Total current liabilities	294,329	255,190
Debt
Long-term debt	301,364	301,415
Other
Compensation and benefits	144,386	156,218
Other long-term liabilities	14,770	15,274
Total other liabilities	159,156	171,492
Commitments and contingent liabilities
Stockholders' equity
Preferred stock, $0.01 par value per share; 50,000 shares authorized, no shares issued and outstanding	0	0
Common stock, $0.01 par value per share; 300,000 shares authorized, 43,395 and 43,282 shares issued, respectively	434	433
Treasury stock, 3,864 shares at cost	(100,000)	(100,000)
Additional paid-in capital	503,382	502,739
Accumulated other comprehensive loss	(100,204)	(101,498)	(55,253)	(55,249)
Retained earnings	198,331	190,714
Total stockholders' equity	501,943	492,388
Total liabilities and stockholders' equity	$ 1,256,792	$ 1,220,485