Debt - Minimum Future Lease Payments Under Both Capital Leases and Assumed Capital Leases Together with Present Value of Net Minimum Lease Payments (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014
Debt Instrument [Line Items]
2015	$ 481
2016	481
2017	481
2018	481
2019	481
Thereafter	3,913
Total minimum lease payments	6,318
Less interest included in payments above	(2,575)
Present value of minimum lease payments	3,743
Autocam [Member]
Debt Instrument [Line Items]
2015	5,743
2016	4,593
2017	3,587
2018	2,572
2019	816
Total minimum lease payments	17,311
Less interest included in payments above	(1,097)
Present value of minimum lease payments	$ 16,214