Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Cash flows provided by (used in) operating activities:
Net income	$ 151,346	$ 193,173	$ 144,646
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	165,015	158,801	142,949
Amortization of debt issuance costs and discount	4,897	3,837	2,885
Rationalization charges	8,660	7,717	22,214
Loss on early extinguishment of debt	38,704	976	7,548
Deferred income tax provision	(1,499)	23,763	21,358
Excess tax benefit from stock-based compensation	(808)	(3,901)	(2,674)
Other changes that provided (used) cash, net of effects from acquisitions:
Trade accounts receivable, net	34,584	(53,091)	(19,875)
Inventories	56,828	(28,093)	(51,800)
Trade accounts payable	(6,216)	29,658	4,342
Accrued liabilities	(21,642)	3,392	(12,101)
Contributions to domestic pension benefit plans	(76,000)		(92,287)
Other, net	(2,207)	23,350	20,110
Net cash provided by operating activities	351,662	359,582	187,315
Cash flows provided by (used in) investing activities:
Purchase of businesses, net of cash acquired	(319,090)	(290,751)	(47,946)
Capital expenditures	(119,241)	(173,009)	(105,395)
Proceeds from asset sales	1,555	3,943	1,571
Net cash used in investing activities	(436,776)	(459,817)	(151,770)
Cash flows provided by (used in) financing activities:
Borrowings under revolving loans	686,812	1,208,994	314,179
Repayments under revolving loans	(690,413)	(1,188,954)	(313,518)
Changes in outstanding checks - principally vendors	(4,792)	(33,730)	7,220
Proceeds from issuance of long-term debt	526,550	1,088,823	634,386
Repayments of long-term debt	(285,932)	(691,427)	(520,725)
Debt issuance costs	(9,837)	(12,943)	(11,708)
Dividends paid on common stock	(33,790)	(31,109)	(31,957)
Excess tax benefit from stock-based compensation	808	3,901	2,674
Proceeds from stock option exercises	195	1,875	2,672
Repurchase of common stock under stock plan	(1,871)	(5,197)	(1,471)
Repurchase of common stock under share repurchase authorization	(34,109)	(15,797)	(247,825)
Other		(2,326)
Net cash provided by (used in) financing activities	153,621	322,110	(166,073)
Cash and cash equivalents:
Net increase (decrease)	68,507	221,875	(130,528)
Balance at beginning of year	397,101	175,226	305,754
Balance at end of year	465,608	397,101	175,226
Interest paid, net	59,617	59,077	53,785
Income taxes paid, net of refunds	$ 79,056	$ 38,521	$ 59,255