Inventories (Details) (USD $) In Millions, unless otherwise specified	Mar. 30, 2014	Dec. 29, 2013
Inventories
Raw materials and supplies	$ 128.9	$ 130.7
Work in process	163.9	151.5
Finished goods	43.4	41.4
Total inventories, gross	336.2	323.6
Progress payments	(11.9)	(12.7)
LIFO reserve	(16.7)	(16.6)
Total inventories, net	$ 307.6	$ 294.3

Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

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Gross amount, as of the balance sheet date, of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

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Amount of difference between inventory at lower of LIFO cost or market and inventory at lower of other inventory accounting method cost or market, for example, but not limited to, FIFO or average cost.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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Gross amount of unprocessed materials to be used in manufacturing or production process and supplies that will be consumed.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

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Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-Name Regulation S-X (SX)

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Amount of advances received from customers under long-term contracts which have been offset against inventories accounts at the balance sheet date.

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