Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Current assets:
Cash	$ 34,010	$ 13,862
Accounts receivable (net of allowance of $1,328 and $1,408 as of June 30, 2013 and December 31, 2012, respectively)	203,340	164,317
Inventories	199,549	174,378
Prepaid expenses and other current assets	25,092	12,141
Deferred income taxes	31,760	33,465
Income tax receivable, net	2,147	1,300
Total current assets	495,898	399,463
Property, plant and equipment, net	75,330	71,127
Investment in joint venture	2,168	2,972
Goodwill	4,399	4,399
Intangible assets, net	787	839
Deferred income taxes	6,826	6,138
Other noncurrent assets	16,794	17,755
Total assets	602,202	502,693
Current liabilities:
Accounts payable	106,981	81,577
Accrued liabilities	52,685	48,424
Accrued interest	3,395	3,287
Income tax payable	334	248
Total current liabilities	163,395	133,536
Long-term debt	431,000	389,522
Other noncurrent liabilities	27,678	27,436
Total liabilities	622,073	550,494
Commitments and contingencies (Note 13)
Global Brass and Copper Holdings, Inc. stockholders' deficit:
Common stock-$.01 par value; 80,000,000 shares authorized; 21,110,000 shares issued and outstanding as of June 30, 2013 and December 31, 2012	211	211
Additional paid-in capital	29,452
Accumulated deficit	(53,897)	(48,153)
Accumulated other comprehensive income	587	1,466
Receivable from stockholder		(4,875)
Total Global Brass and Copper Holdings, Inc. stockholders' deficit	(23,647)	(51,351)
Noncontrolling interest	3,776	3,550
Total (deficit) / equity	(19,871)	(47,801)
Total liabilities and (deficit) / equity	$ 602,202	$ 502,693