CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Operating Activities
Net income	$ 720,044	$ 512,951	$ 846,912
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	301,837	244,928	211,532
Stock-based compensation expense	54,785	51,533	54,068
Excess tax benefits from stock-based compensation	(22,062)	(24,839)	(53,497)
Deferred income taxes	(38,097)	(38,537)	18,796
Goodwill and other intangible asset impairment charges	4,204	280,802	15,900
Loss on early extinguishment of debt	0	28,326	0
Write-down of equity investments	43,482	39,489	0
Settlement of SGM liability (see Note 2)	(26,650)	0	0
Other	51,375	28,467	(11,027)
Changes in assets and liabilities, net of business acquisitions and divestitures:
Accounts receivable—trade, net	21,096	(24,440)	(67,464)
Inventories	13,965	52,049	(88,497)
Prepaid expenses and other current assets	(42,955)	118,007	(7,245)
Accounts payable and accrued liabilities	(72,295)	29,406	(59,102)
Contributions to pension and other benefits plans	(41,697)	(53,273)	(53,110)
Other assets and liabilities	16,443	(30,413)	37,111
Net cash provided by operating activities	983,475	1,214,456	844,377
Investing Activities
Capital additions (including software)	(269,476)	(356,810)	(370,789)
Proceeds from sales of property, plant and equipment	3,651	1,205	1,612
Proceeds from sale of business	0	32,408	0
Equity investments in tax credit qualifying partnerships	(44,255)	(30,720)	0
Business acquisitions, net of cash and cash equivalents acquired	(285,374)	(218,654)	(396,265)
Sale (purchase) of short-term investments	0	95,316	(97,131)
Net cash used in investing activities	(595,454)	(477,255)	(862,573)
Financing Activities
Net increase in short-term debt	275,607	10,720	117,515
Long-term borrowings	792,953	599,031	3,051
Repayment of long-term debt	(500,000)	(355,446)	(1,442)
Payment of SGM liability (see Note 2)	(35,762)	0	0
Cash dividends paid	(499,475)	(476,132)	(440,414)
Repurchase of common stock	(592,550)	(582,623)	(576,755)
Exercise of stock options	102,722	72,719	122,306
Excess tax benefits from stock-based compensation	22,062	24,839	53,497
Other	0	(48,270)	2,940
Net cash used in financing activities	(434,443)	(755,162)	(719,302)
Effect of exchange rate changes on cash and cash equivalents	(3,140)	(10,364)	(6,156)
Decrease in cash and cash equivalents	(49,562)	(28,325)	(743,654)
Cash and cash equivalents, beginning of period	346,529	374,854	1,118,508
Cash and cash equivalents, end of period	296,967	346,529	374,854
Supplemental Disclosure
Interest paid (excluding loss on early extinguishment of debt in 2015)	90,951	88,448	87,801
Income taxes paid	$ 425,539	$ 368,926	$ 384,318