Consolidated Statement of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Cash flows from operating activities:
Net income	$ 209.0	$ 192.1	$ 153.6
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	357.6	268.8	211.8
Gain on sale or disposal of fixed assets	(3.9)	(1.4)	(6.8)
Loss on debt extinguishment	0.4	0.0	3.1
Amortization of debt issuance costs	2.8	1.4	1.3
Write-down of excess inventories	52.4	40.6	51.9
Non-cash share-based compensation expense	46.9	45.8	32.3
Non-cash interest	17.5	7.0	11.2
Non-cash asset impairment charges	0.2	6.5	8.0
Non-cash goodwill and intangible asset impairment charges	3.8	9.6	0.0
Non-cash foreign currency translation gain	0.0	0.0	(21.0)
Change in deferred taxes	(9.2)	(18.8)	1.4
Other	(2.8)	1.8	(0.3)
Changes in assets and liabilities (exclusive of the impact of acquisitions):
Receivables	(11.3)	20.5	(35.4)
Inventories	(72.5)	(59.0)	(88.3)
Other assets	(10.2)	(14.1)	19.1
Accounts payable	(32.2)	(17.3)	6.6
Accrued expenses	(16.3)	(11.3)	21.7
Deferred income on sales to distributors	(53.1)	24.6	6.0
Other long-term liabilities	(8.5)	(15.5)	(48.9)
Net cash provided by operating activities	470.6	481.3	327.3
Cash flows from investing activities:
Purchases of property, plant and equipment	(270.8)	(204.3)	(155.2)
Proceeds from sales of property, plant and equipment	11.1	1.5	9.7
Deposits (made) utilized for purchases of property, plant and equipment	(1.4)	2.6	(1.3)
Purchase of businesses, net of cash acquired	(31.3)	(423.7)	0.0
Cash utilized from (placed in) escrow	20.4	(40.0)	0.0
Purchase of cost method investment	0.0	(5.8)	0.0
Proceeds from sale of available-for-sale securities	5.5	0.0	0.0
Proceeds from sale of held-to-maturity securities	2.8	116.9	224.3
Purchases of held-to-maturity securities	(0.8)	(12.8)	(195.7)
Net cash used in investing activities	(264.5)	(565.6)	(118.2)
Cash flows from financing activities:
Proceeds from issuance of common stock under the ESPP	14.6	10.0	8.3
Proceeds from exercise of stock options	27.1	24.9	12.1
Payments of tax withholding for restricted shares	(14.7)	(9.1)	(4.5)
Repurchase of common stock	(348.2)	(121.8)	(101.0)
Proceeds from debt issuance	816.5	346.4	173.7
Purchases of convertible note hedges	(108.9)	0.0	0.0
Proceeds from issuance of warrants	52.0	0.0	0.0
Payments of debt issuance and other financing costs	(20.4)	0.0	(3.2)
Repayment of long-term debt	(495.5)	(90.6)	(217.7)
Payment of capital lease obligations	(22.3)	(43.8)	(41.7)
Acquisition of non-controlling interest	0.0	(20.4)	0.0
Dividend to non-controlling shareholder of consolidated subsidiary	0.0	(4.2)	0.0
Net cash (used in) provided by financing activities	(99.8)	91.4	(174.0)
Effect of exchange rate changes on cash and cash equivalents	(0.4)	(4.9)	(12.5)
Net increase in cash and cash equivalents	105.9	2.2	22.6
Cash and cash equivalents, beginning of period	511.7	509.5	486.9
Cash and cash equivalents, end of period	$ 617.6	$ 511.7	$ 509.5