Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Cash flows provided by (used in) operating activities:
Net income	$ 185,413	$ 151,346	$ 193,173
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	167,644	165,015	158,801
Amortization of debt issuance costs and discount	4,556	4,897	3,837
Rationalization charges	11,987	8,660	7,717
Loss on early extinguishment of debt	2,068	38,704	976
Deferred income tax provision (benefit)	7,125	(1,499)	23,763
Excess tax benefit from stock-based compensation	(460)	(808)	(3,901)
Other changes that provided (used) cash, net of effects from acquisitions:
Trade accounts receivable, net	20,387	34,584	(53,091)
Inventories	25,060	56,828	(28,093)
Trade accounts payable	604	(6,216)	29,658
Accrued liabilities	(31,501)	(21,642)	3,392
Contributions to domestic pension benefit plans	0	(76,000)	0
Other, net	(42,178)	(2,207)	23,350
Net cash provided by operating activities	350,705	351,662	359,582
Cash flows provided by (used in) investing activities:
Purchase of businesses, net of cash acquired	(281,667)	(319,090)	(290,751)
Capital expenditures	(103,136)	(119,241)	(173,009)
Proceeds from asset sales	8,389	1,555	3,943
Net cash used in investing activities	(376,414)	(436,776)	(459,817)
Cash flows provided by (used in) financing activities:
Borrowings under revolving loans	940,013	686,812	1,208,994
Repayments under revolving loans	(917,661)	(690,413)	(1,188,954)
Changes in outstanding checks – principally vendors	13,097	(4,792)	(33,730)
Proceeds from issuance of long-term debt	304,981	526,550	1,088,823
Repayments of long-term debt	(308,257)	(285,932)	(691,427)
Debt issuance costs	(5,700)	(9,837)	(12,943)
Dividends paid on common stock	(36,202)	(33,790)	(31,109)
Excess tax benefit from stock-based compensation	460	808	3,901
Proceeds from stock option exercises	0	195	1,875
Repurchase of common stock under stock plan	(2,560)	(1,871)	(5,197)
Repurchase of common stock under share repurchase authorization	(267,607)	(34,109)	(15,797)
Other	0	0	(2,326)
Net cash (used in) provided by financing activities	(279,436)	153,621	322,110
Cash and cash equivalents:
Net (decrease) increase	(305,145)	68,507	221,875
Balance at beginning of year	465,608	397,101	175,226
Balance at end of year	160,463	465,608	397,101
Interest paid, net	58,010	59,617	59,077
Income taxes paid, net of refunds	$ 114,213	$ 79,056	$ 38,521