CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 229.4	$ 249.6
Short-term investments, at cost which approximates market	2.6	0.8
Accounts receivable, less allowance for doubtful accounts - 2015 - $4.4; 2014 -$ 3.6	348.7	412.6
Inventories	194.9	211.8
Prepaid expenses	24.9	25.6
Other current assets	3.1	3.1
Total current assets	803.6	903.5
Property, plant and equipment, less accumulated depreciation and depletion	1,104.3	1,182.1
Goodwill	781.2	770.9
Intangible assets	212.7	212.1
Deferred income taxes	30.6	33.6
Other assets and deferred charges	47.6	55.3
Total assets	2,980.0	3,157.5
Current liabilities:
Short-term debt	6.5	5.6
Current maturities of long-term debt	3.1	0.3
Accounts payable	152.4	170.4
Income taxes payable	16.7	27.0
Accrued compensation and related items	64.5	73.8
Other current liabilities	75.4	74.4
Total current liabilities	318.6	351.5
Long-term debt, net of unamortized discount	1,255.3	1,429.4
Deferred income taxes	252.0	272.8
Accrued pension and postretirement benefits	141.8	146.5
Other non-current liabilities	74.6	68.4
Total liabilities	2,042.3	2,268.6
Shareholders' equity:
Preferred stock, without par value; 1,000,000 shares authorized; none issued	0.0	0.0
Common stock, par value at $0.10 per share; 100,000,000 shares authorized; Issued 47,990,136 shares in 2015 and 47,855,496 shares in 2014	4.8	4.8
Additional paid-in capital	387.6	373.0
Retained earnings	1,292.7	1,191.8
Accumulated other comprehensive loss	(180.9)	(112.9)
Less common stock held in treasury, at cost; 13,205,741 shares in 2015 and 2014	(593.7)	(593.7)
Total MTI shareholders' equity	910.5	863.0
Non-controlling interest	27.2	25.9
Total shareholders' equity	937.7	888.9
Total liabilities and shareholders' equity	$ 2,980.0	$ 3,157.5