CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Millions, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 491.1	$ 1,273.6	$ 97.9	$ 321.5
Accounts receivable, net	553.1	474.3
Inventories	813.2	822.9
Deferred income taxes	11.6	10.6
Prepaid expenses and other current assets	80.8	85.1
Total current assets	1,949.8	2,666.5
Property, plant and equipment, net	1,686.8	1,715.4
Goodwill	841.2	864.8
Other intangible assets, net	419.4	445.8
Deferred financing costs, net	31.1	51.7
Deferred income taxes	175.7	171.8
Other assets	66.1	57.7
Total assets	5,170.1	5,973.7
Current liabilities:
Accounts payable	225.3	233.3
Income taxes payable	28.6	33.1
Accrued compensation	111.2	105.5
Accrued expenses and other current liabilities	173.3	152.0
Deferred income taxes	5.3	3.6
Long-term debt, current portion	43.2	553.7
Total current liabilities	586.9	1,081.2
Long-term debt	2,178.8	2,198.1
Pension and related liabilities	558.6	576.6
Deferred income taxes	74.0	72.0
Other liabilities	119.1	123.6
Total liabilities	3,517.4	4,051.5
Restricted stock units	16.2	12.5
Rockwood Holdings, Inc. stockholders' equity:
Common stock ($0.01 par value, 400,000 shares authorized, 79,219 shares issued and 77,671 shares outstanding at March 31, 2013; 400,000 shares authorized, 78,560 shares issued and 78,466 shares outstanding at December 31, 2012)	0.8	0.8
Paid-in capital	1,242.3	1,243.1
Accumulated other comprehensive loss	(88.0)	(14.3)
Retained earnings	415.7	428.4
Treasury stock, at cost (1,548 shares and 94 shares, respectively)	(90.8)	(1.4)
Total Rockwood Holdings, Inc. stockholders' equity	1,480.0	1,656.6
Noncontrolling interest	156.5	253.1
Total equity	1,636.5	1,909.7	1,807.8	1,658.4
Total liabilities and equity	$ 5,170.1	$ 5,973.7