CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Cash flows from operating activities:
Consolidated net income	$ 94.0	$ 96.8	$ 81.0
Adjustments to reconcile consolidated net income to cash flows from operating activities:
Depreciation and amortization	52.9	36.1	29.7
Amortization of deferred financing costs	0.6	0.6	0.7
Write down of inventories to net realizable value	38.4	24.4	26.1
Stock-based compensation expense	7.9	6.9	6.3
Deferred income taxes	(4.8)	(3.6)	(2.1)
Gain on bargain purchase			(1.3)
Other non-cash expenses, net	0.7	1.3	(0.2)
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable	(52.8)	(27.3)	(9.4)
Inventories	(111.7)	(68.0)	(4.4)
Other assets	(7.8)	(11.5)	2.0
Accounts payable	9.2	6.5	5.7
Customer deposits	31.3	27.9	8.5
Other liabilities	29.8	66.0	7.2
Net cash provided by operating activities	87.7	156.1	149.8
Cash flows from investing activities:
Cash paid for acquisitions, net of cash acquired	(14.3)	(269.8)	(1.9)
Purchases of property, plant and equipment	(54.4)	(31.9)	(16.3)
Sales of property, plant and equipment		2.7
Net cash used in investing activities	(68.7)	(299.0)	(18.2)
Cash flows from financing activities:
Proceeds from revolving lines of credit, net	30.7	185.0	(62.4)
Proceeds from term debt			1.6
Repayment of term debt	(29.3)	(21.6)	(23.9)
Payment of deferred financing costs	(1.3)
Proceeds from issuance of common stock, net	3.3	6.0	1.5
Excess tax benefit related to exercise of stock awards	0.2	0.3	0.6
Changes in restricted cash	0.1	(1.3)	(1.5)
Cash payments to noncontrolling interests	(0.4)	(0.1)
Net cash provided by (used) in financing activities	3.3	168.3	(84.1)
Effect of exchange rate changes on cash and cash equivalents	(6.7)	(2.1)	(6.6)
Net change in cash and cash equivalents	15.6	23.3	40.9
Cash and cash equivalents at beginning of year	230.4	207.1	166.2
Cash and cash equivalents at end of year	246.0	230.4	207.1
Supplemental disclosure of cash flow information:
Cash paid for interest	6.7	4.5	6.3
Cash paid for taxes	69.7	38.7	54.2
Non-cash financing activities:
Issuance of common stock in connection with acquisition of Michrom Bioresources Inc.	$ 2.9