Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Operating Activities:
Net income	$ 518	$ 10,791
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	8,279	6,847
Deferred income tax	(826)	10,340
Share-based compensation expense, net of tax benefit	805	672
Changes in assets and liabilities:
Accounts receivable, net	491	(6,293)
Inventory, net	(57)	(18,749)
Accounts payable	2,612	(4,825)
Accrued employment costs	(779)	(2,575)
Income taxes	(670)	(1,222)
Other, net	(715)	681
Net cash provided by (used in) operating activities	9,658	(4,333)
Investing Activity:
Purchase of property, plant and equipment, net of amount included in accounts payable	(6,149)	(16,196)
Net cash used in investing activity	(6,149)	(16,196)
Financing Activities:
Borrowings under revolving credit facility	45,854	78,664
Payments on revolving credit facility	(49,156)	(38,583)
Payment on term loan facility		(20,000)
Proceeds from stock options exercised	613	770
Payment of financing costs	(487)	(348)
Purchase of treasury stock	(38)	(233)
Tax benefit from share-based compensation expense	117	165
Net cash (used in) provided by financing activities	(3,097)	20,435
Net increase (decrease) in cash	412	(94)
Cash at beginning of period	321
Cash at end of period	733	180
Supplemental Non-Cash Investing Activity:
Purchase of property, plant and equipment included in accounts payable	$ 849	$ 3,865