Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Current assets
Cash and cash equivalents	$ 879,300	$ 896,300
Restricted cash	26,000	25,000
Accounts receivable, less allowances of $12,900 and $12,400, respectively	448,600	480,900
Inventories	332,600	328,500
Short-term deferred tax assets	40,400	42,600
Other current assets	69,000	73,900
Total current assets	1,795,900	1,847,200
Property, plant and equipment, at cost	641,500	631,900
Less accumulated depreciation and amortization	284,900	272,600
Net property, plant and equipment	356,600	359,300
Goodwill	962,100	961,600
Core technologies, net	493,500	506,500
Other intangible assets, net	361,100	368,100
Deferred tax assets	6,100	10,000
Other assets	101,800	98,600
Total assets	4,077,100	4,151,300
Current liabilities
Accounts payable	94,100	56,200
Accrued expenses	219,700	242,900
Accrued compensation and benefits	92,000	137,800
Income taxes payable	9,800	10,700
Total current liabilities	415,600	447,600
Long-term debt	1,408,600	1,409,600
Other long-term liabilities	320,900	342,400
Deferred income taxes	33,400	26,000
Commitments and contingencies
Shareholders' investment:
Preferred stock, $1 par value, authorized 5,000,000 shares; none issued
Common stock, $0.25 par value, authorized 600,000,000 shares; issued and outstanding 80,481,858 shares at March 31, 2013 and 81,697,409 shares at December 31, 2012	20,100	20,400
Capital in excess of par value	1,546,900	1,513,300
Retained earnings	409,500	473,200
Accumulated other comprehensive loss	(77,900)	(81,200)
Total shareholders' investment	1,898,600	1,925,700
Total liabilities and shareholders' investment	$ 4,077,100	$ 4,151,300