CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 30, 2014	Mar. 31, 2013
Cash flows from operating activities:
Net income	$ 98,187	$ 54,228
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation and amortization	38,260	37,790
Foreign currency transaction loss (gain)	941	(7,753)
Accretion of bond discount	114	114
Loss (gain) on property disposals	570	(1,139)
Gain on investment securities	(53)
Share-based compensation	1,022	548
Changes in operating assets and liabilities:
Trade accounts and other receivables	2,145	(5,183)
Inventories	14,310	(17,061)
Prepaid expenses and other current assets	(11,099)	(6,819)
Accounts payable, accrued expenses and other current liabilities	5,833	(30,629)
Income taxes	43,662	(3,381)
Long-term pension and other postretirement obligations	995	(421)
Other operating assets and liabilities	814	345
Cash provided by operating activities	195,701	20,639
Cash flows from investing activities:
Acquisitions of property, plant and equipment	(47,760)	(25,778)
Purchases of investment securities	(37,000)
Proceeds from sale or maturity of investment securities	96,950
Proceeds from property disposals	1,511	1,660
Cash provided by (used in) investing activities	13,701	(24,118)
Cash flows from financing activities:
Proceeds from revolving line of credit		288,500
Payments on revolving line of credit, long-term borrowings and capital lease obligations	(204,913)	(311,005)
Cash used in financing activities	(204,913)	(22,505)
Effect of exchange rate changes on cash and cash equivalents	2,280	1,364
Increase (decrease) in cash and cash equivalents	6,769	(24,620)
Cash and cash equivalents, beginning of period	508,206	68,180
Cash and cash equivalents, end of period	$ 514,975	$ 43,560