CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Cash flows provided by (used in) operating activities:
Net income	$ 193,173	$ 144,646	$ 159,409
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	158,801	142,949	145,265
Amortization of debt issuance costs and discount	3,837	2,885	2,044
Rationalization charges	7,717	22,214	1,491
Loss on early extinguishment of debt	976	7,548	1,255
Deferred income tax provision	23,763	21,358	15,316
Excess tax benefit from stock-based compensation	(3,901)	(2,674)	(2,922)
Other changes that provided (used) cash, net of effects from acquisitions:
Trade accounts receivable, net	(53,091)	(19,875)	72,059
Inventories	(28,093)	(51,800)	(7,894)
Trade accounts payable	29,658	4,342	(62,547)
Accrued liabilities	3,392	(12,101)	821
Contributions to domestic pension benefit plans		(92,287)	(43,423)
Other, net	23,350	20,110	41,900
Net cash provided by operating activities	359,582	187,315	322,774
Cash flows provided by (used in) investing activities:
Purchase of businesses, net of cash acquired	(290,751)	(47,946)
Capital expenditures	(173,009)	(105,395)	(99,584)
Proceeds from asset sales	3,943	1,571	2,892
Net cash used in investing activities	(459,817)	(151,770)	(96,692)
Cash flows provided by (used in) financing activities:
Borrowings under revolving loans	1,208,994	314,179	339,681
Repayments under revolving loans	(1,188,954)	(313,518)	(356,494)
Changes in outstanding checks - principally vendors	(33,730)	7,220	40,932
Proceeds from issuance of long-term debt	1,088,823	634,386	243,200
Repayments of long-term debt	(691,427)	(520,725)	(320,695)
Debt issuance costs	(12,943)	(11,708)	(5,345)
Dividends paid on common stock	(31,109)	(31,957)	(29,352)
Excess tax benefit from stock-based compensation	3,901	2,674	2,922
Proceeds from stock option exercises	1,875	2,672	2,929
Repurchase of common stock under stock plan	(5,197)	(1,471)	(1,112)
Repurchase of common stock under share repurchase authorization	(15,797)	(247,825)
Other	(2,326)
Net cash provided by (used in) financing activities	322,110	(166,073)	(83,334)
Cash and cash equivalents:
Net increase (decrease)	221,875	(130,528)	142,748
Balance at beginning of year	175,226	305,754	163,006
Balance at end of year	397,101	175,226	305,754
Interest paid, net	59,077	53,785	42,025
Income taxes paid, net of refunds	$ 38,521	$ 59,255	$ 71,244