Accounts Receivable and Allowances for Doubtful Accounts (Details Textuals) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended
Jul. 02, 2011	Jul. 03, 2010	Jul. 02, 2011	Jul. 03, 2010	Jan. 01, 2011
Accounts Receivable and Allowances for Doubtful Accounts (Textuals) [Abstract]
Recoveries of Allowances for Doubtful Accounts on Accounts Receivable and Installment Contract Receivables	$ 0.7	$ 10.2	$ 5.9	$ 12.7
Receivables and Installment contract receivables attributable to number of customers	0		0		1
Percent of Receivables and Installment Contract Receivables Attributable to Single Customer					19.00%
Percentage of Company's total Receivables, net and Installment contract receivables, net attributable to the ten customers with largest balance	40.00%		40.00%		50.00%

Accounts Receivable and Allowances for Doubtful Accounts Textuals Abstract.

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Allowance for trade and installment receivables recoveries of bad debts.

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Number of customers with accounts receivable and installment contract receivable balance greater than ten percent of total balance.

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Percentage of Company's receivables net and installment contract receivables net attributable to single customer.

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Percentage of company's receivables net and installment contract receivables net attributable to ten customers with largest balance.

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