Garlock Sealing Technologies LLC and Garrison Litigation Management Group, Ltd. - Schedule of Condensed Combined Statements of Cash Flows (Detail) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Supplemental Cash Flow Information [Line Items]
Net cash from operating activities	$ (2.4)	$ (13.8)
Purchases of property, plant and equipment	(16.2)	(14.2)
Net payments on loans to affiliates	0.0	0.0
Other	0.1	0.1
Net cash used in investing activities	(49.0)	(23.2)
Effect of exchange rate changes on cash and cash equivalents	0.6	1.1
Net increase (decrease) in cash and cash equivalents	(116.7)	0.5
Cash and cash equivalents at beginning of period	194.2	64.4
Cash and cash equivalents at end of period	77.5	64.9
Garlock Sealing Technologies [Member]
Supplemental Cash Flow Information [Line Items]
Net cash from operating activities	36.4	42.1
Purchases of property, plant and equipment	(2.0)	(3.9)
Net payments on loans to affiliates	(2.3)	0.0
Net Payments to Acquire Held-to-maturity Securities	29.8	0.0
Other	0.0	(0.4)
Net cash used in investing activities	(34.1)	(4.3)
Effect of exchange rate changes on cash and cash equivalents	(1.6)	0.6
Net increase (decrease) in cash and cash equivalents	0.7	38.4
Cash and cash equivalents at beginning of period	66.0	42.8
Cash and cash equivalents at end of period	$ 66.7	$ 81.2