CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Millions, unless otherwise specified	Mar. 29, 2015		Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 193.9	[1]	$ 249.6	[2]
Short-term investments, at cost which approximates market	2.1	[1]	0.8	[2]
Accounts receivable, net	414.8	[1]	412.6	[2]
Inventories	207.4	[1]	211.8	[2]
Prepaid expenses	27.1	[1]	25.6	[2]
Other current assets	23.8	[1]	24.2	[2]
Total current assets	869.1	[1]	924.6	[2]
Property, plant and equipment	2,153.6	[1]	2,174.2	[2]
Less accumulated depreciation and depletion	(978.1)	[1]	(992.1)	[2]
Property, plant and equipment, net	1,175.5	[1]	1,182.1	[2]
Goodwill	768.3	[1]	770.9	[2]
Intangible assets	210.2	[1]	212.1	[2]
Deferred income taxes	57.4	[1]	55.6	[2]
Other assets and deferred charges	79.0	[1]	81.4	[2]
Total assets	3,159.5	[1]	3,226.7	[2]
Current liabilities:
Short-term debt	6.0	[1]	5.6	[2]
Current maturities of long-term debt	0.4	[1]	0.3	[2]
Accounts payable	169.0	[1]	170.4	[2]
Other current liabilities	139.3	[1]	176.6	[2]
Total current liabilities	314.7	[1]	352.9	[2]
Long-term debt, net of unamortized discount	1,418.4	[1]	1,455.5	[2]
Deferred income taxes	313.1	[1]	314.5	[2]
Other non-current liabilities	214.3	[1]	214.9	[2]
Total liabilities	2,260.5	[1]	2,337.8	[2]
Shareholders' equity:
Common stock	4.8	[1]	4.8	[2]
Additional paid-in capital	375.5	[1]	373.0	[2]
Retained earnings	1,225.1	[1]	1,191.8	[2]
Accumulated other comprehensive loss	(139.4)	[1]	(112.9)	[2]
Less common stock held in treasury	(593.7)	[1]	(593.7)	[2]
Total MTI shareholders' equity	872.3	[1]	863.0	[2]
Non-controlling interest	26.7	[1]	25.9	[2]
Total shareholders' equity	899.0	[1]	888.9	[2]
Total liabilities and shareholders' equity	$ 3,159.5	[1]	$ 3,226.7	[2]

[1] Unaudited

[2] Condensed from audited financial statements