Supplemental Balance Sheet Information (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Inventories
Raw materials and supplies	$ 615,809	$ 219,487
Work-in-process	207,794	47,707
Finished goods	556,668	182,669
Total inventories	1,380,271	449,863
Other current assets
Cost in excess of billings	124,447	54,701
Prepaid expenses	94,950	42,831
Deferred income taxes	68,277	60,899
Other current assets	38,434	10,260
Total other current assets	326,108	168,691
Property, plant and equipment, net
Land and land improvements	247,868	41,111
Buildings and leasehold improvements	482,106	244,246
Machinery and equipment	1,096,469	692,930
Construction in progress	114,309	40,251
Total property, plant and equipment	1,940,752	1,018,538
Accumulated depreciation and amortization	716,264	631,013
Total property, plant and equipment, net	1,224,488	387,525	329,435
Other non-current assets
Asbestos-related insurance receivable	157,394
Deferred income taxes	89,040
Other non-current assets	259,853	94,750
Total other non-current assets	506,287	94,750
Other current liabilities
Deferred revenue and customer deposits	127,149	10,151
Dividends payable	94,967
Billings in excess of cost	61,126	17,732
Accrued warranty	53,696	29,355
Other current liabilities	333,224	166,470
Total other current liabilities	670,162	223,708
Other non-current liabilities
Asbestos-related liabilities	234,567	630
Deferred revenue	73,397
Taxes payable	49,324	26,470
Other non-current liabilities	96,299	96,409
Total other non-current liabilities	$ 453,587	$ 123,509