Note 10 - Business Unit Segment Information (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
Mar. 28, 2015
Segment Reporting [Abstract]
Number of Operating Segments	3us-gaap_NumberOfOperatingSegments
Severance Costs	$ 2.2us-gaap_SeveranceCosts1
Business Combination, Acquisition Related Costs	0.2
Pension Expense	$ 0.7us-gaap_PensionExpense

The amount of pension benefit costs recognized during the period for (1) defined benefit plans and (2) defined contribution plans. For defined benefit plans, pension expense includes the following components: service cost, interest cost, expected return on plan assets, gain (loss) on plan assets, prior service cost or credit, transition asset or obligation, and gain (loss) due to settlements or curtailments. For defined contribution plans, the pension expense generally equals the firm's contribution to employees' accounts (if the firm contributes) during the period.

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Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

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