Condensed Consolidated Statements of Cash Flows (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Cash flows from operating activities
Net income	$ 100.7	$ 92.1
Reconciliation to net cash provided by operating activities:
Depreciation and amortization	34.8	28.1
Amortization of deferred financing costs	0.6	1.5
Deferred income taxes	20.9	17.6
Equity in earnings from affiliated companies	(0.5)	(0.5)
Stock-based compensation	11.5	12.0
Excess tax benefits on stock-based compensation	(5.2)	(4.0)
Changes in assets and liabilities:
Increase in accounts receivable	(49.9)	(14.6)
Increase in inventories	(23.6)	(20.3)
Decrease (increase) in prepaid expenses and other current assets	1.1	(9.0)
Increase in accounts payable and accrued liabilities	17.5	4.7
Other-net	2.4	0.6
Net cash provided by operating activities	110.3	108.2
Cash flows from investing activities
Capital expenditures	(119.2)	(92.0)
Net cash used for investing activities	(119.2)	(92.0)
Cash flows from financing activities
Proceeds from senior secured credit facility	103.0	309.0
Repayment of capital lease obligations and other debt, net	(0.2)	(1.6)
Issuance costs related to senior secured credit facility		(2.2)
Repayment of senior secured credit facility - term loan		(85.0)
Repayment of senior secured revolving credit facility		(165.0)
Repurchase of stock	(114.5)	(50.0)
Activity under stock plans	(0.5)	3.8
Net cash (used for) provided by financing activities	(12.2)	9.0
Effect of exchange rate changes on cash and cash equivalents	(0.6)	(1.1)
Net (decrease) increase in cash and cash equivalents	(21.7)	24.1
Cash and cash equivalents at beginning of period	65.5	32.6
Cash and cash equivalents at end of period	43.8	56.7
Supplemental data:
Accrual basis additions to property, plant and equipment	$ 104.8	$ 82.1