Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Apr. 04, 2015	Jan. 03, 2015
Assets:
Property, plant and equipment, accumulated depreciation	$ 540,327	$ 525,699
Intangible assets, accumulated amortization	$ 198,281	$ 184,909
Stockholders’ equity:
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	250,000,000us-gaap_CommonStockSharesAuthorized	250,000,000us-gaap_CommonStockSharesAuthorized
Common stock, shares issued	166,999,637us-gaap_CommonStockSharesIssued	166,213,793us-gaap_CommonStockSharesIssued
Treasury stock, shares	1,779,614us-gaap_TreasuryStockShares	1,501,130us-gaap_TreasuryStockShares

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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