Consolidated Statement of Operations (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Net sales	$ 1,083,960	$ 902,460	$ 777,050
Cost of sales	(766,260)	(631,410)	(572,540)
Gross profit	317,700	271,050	204,510
Selling, general and administrative expense	(186,520)	(160,190)	(146,420)
Estimated future unrecoverable lease obligations	0	0	(5,250)
Fees incurred under advisory services agreement	0	0	(2,890)
Net gain (loss) on dispositions of property and equipment	140	(1,520)	(450)
Operating profit	131,320	109,340	49,500
Other expense, net
Interest expense	(44,480)	(51,830)	(45,100)
Gain (loss) on extinguishment of debt	(3,970)	0	17,990
Other expense, net	(3,130)	(1,080)	(1,770)
Other expense, net	(51,580)	(52,910)	(28,880)
Income from continuing operations before income tax expense	79,740	56,430	20,620
Income tax expense	(28,930)	(17,500)	(8,180)
Income from continuing operations	50,810	38,930	12,440
Income (loss) from discontinued operations, net of income taxes	9,550	6,340	(12,660)
Net Income (loss)	$ 60,360	$ 45,270	$ (220)
Earnings (loss) per share - basic:
Continuing operations	$ 1.48	$ 1.15	$ 0.37
Discontinued operations	$ 0.28	$ 0.19	$ (0.38)
Net income (loss) per share	$ 1.76	$ 1.34	$ (0.01)
Weighted average common shares - basic	34,246,289	33,761,430	33,489,659
Earnings (loss) per share - diluted:
Continuing operations	$ 1.46	$ 1.13	$ 0.36
Discontinued operations	$ 0.27	$ 0.18	$ (0.37)
Net income (loss) per share	$ 1.73	$ 1.31	$ (0.01)
Weighted average common shares - diluted	34,779,693	34,435,245	33,892,170