CONSOLIDATED BALANCE SHEETS (USD $) In Millions, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014	Mar. 31, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 1,778.8	$ 1,996.6	$ 3,530.2	$ 1,710.8
Restricted cash	63.3	86.1
Accounts receivable—net	167.1	191.5
Inventories	267.7	202.9
Deferred income taxes	55.1	84.0
Prepaid income taxes	27.7	34.8
Other current assets	20.0	18.6
Total current assets	2,379.7	2,614.5
Property, plant and equipment—net	5,925.0	5,525.8
Investments in and advances to affiliates	853.5	861.5
Goodwill	2,090.4	2,092.8
Other assets	236.7	243.6
Total assets	11,485.3	11,338.2
Current liabilities:
Accounts payable and accrued expenses	693.2	589.9
Income taxes payable	79.4	16.0
Customer advances	495.2	325.4
Other current liabilities	43.5	48.4
Total current liabilities	1,311.3	979.7
Long-term debt	4,592.5	4,592.5
Deferred income taxes	783.0	818.6
Other noncurrent liabilities	380.0	374.9
Stockholders' equity:
Preferred stock—$0.01 par value, 50,000,000 shares authorized	0	0
Common stock—$0.01 par value, 500,000,000 shares authorized, 2015—49,219,895 shares issued and 2014—49,180,828 shares issued	0.5	0.5
Paid-in capital	1,426.5	1,415.9
Retained earnings	3,334.1	3,175.3
Treasury stock—at cost, 2015—1,658,165 shares and 2014—846,218 shares	(458.9)	(222.2)
Accumulated other comprehensive loss	(240.3)	(159.8)	(52.0)	(42.6)
Total stockholders' equity	4,061.9	4,209.7
Noncontrolling interest	356.6	362.8
Total equity	4,418.5	4,572.5	5,308.3	5,438.4
Total liabilities and equity	$ 11,485.3	$ 11,338.2