Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Cash flows provided by (used in) operating activities:
Net income	$ 31,476	$ 25,433
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation and amortization	38,411	43,696
Rationalization charges	1,588	1,351
Loss on early extinguishment of debt	1,474	2,068
Excess tax benefit from stock-based compensation	(947)	(531)
Other changes that provided (used) cash, net of effects from acquisitions:
Trade accounts receivable, net	(68,411)	(26,903)
Inventories	(133,398)	(133,995)
Trade accounts payable	31,388	2,904
Accrued liabilities	16,726	15,671
Other, net	(21,366)	1,307
Net cash used in operating activities	(103,059)	(68,999)
Cash flows provided by (used in) investing activities:
Purchases of businesses, net of cash acquired	0	(6,000)
Capital expenditures	(26,998)	(25,051)
Proceeds from asset sales	163	207
Net cash used in investing activities	(26,835)	(30,844)
Cash flows provided by (used in) financing activities:
Borrowings under revolving loans	460,420	453,072
Repayments under revolving loans	(284,632)	(22,475)
Proceeds from issuance of long-term debt	732,215	0
Repayments of long-term debt	(749,682)	(302,571)
Debt issuance costs	(5,062)	0
Changes in outstanding checks - principally vendors	(86,484)	(73,454)
Dividends paid on common stock	(9,689)	(9,080)
Excess tax benefit from stock-based compensation	947	531
Repurchase of common stock under stock plan	(5,267)	(2,160)
Repurchase of common stock under share repurchase authorization	(113)	(250,991)
Net cash provided by (used in) financing activities	52,653	(207,128)
Cash and cash equivalents:
Net decrease	(77,241)	(306,971)
Balance at beginning of year	160,463	465,608
Balance at end of period	83,222	158,637
Interest paid, net	13,782	8,022
Income taxes paid, net	$ 3,868	$ 9,868