Intangible Assets, Net - Additional Information (Detail) $ in Thousands	12 Months Ended
	Dec. 31, 2016 USD ($) Business Contracts	Dec. 31, 2015 USD ($) Business	Dec. 31, 2014 USD ($) Business	Sep. 30, 2016 USD ($)
Intangible Assets [Line Items]
Amortization expense	$ 26,205	$ 13,043
Restructuring and impairment charges
Finite lived intangible asset not subject to amortization	$ 255,981	$ 282,169	$ 52,827
Customer contract intangible assets related to the acquisition of RKF and Chelsea | Business	0	2	4
PEP [Member]
Intangible Assets [Line Items]
Intangible assets subject to acquisition		$ 240,490		$ 240,490
Amortization expense	$ 19,700	$ 5,200
PEP [Member] | Customer Relationship [Member]
Intangible Assets [Line Items]
Intangible assets subject to acquisition	$ 226,500
Estimated intangible assets useful life	12 years
PEP [Member] | Trade Name [Member]
Intangible Assets [Line Items]
Intangible assets subject to acquisition	$ 6,300
Estimated intangible assets useful life	8 years
PEP [Member] | Backlog and Unfavorable Leasehold [Member]
Intangible Assets [Line Items]
Intangible assets subject to acquisition	$ 7,700
Caprock [Member]
Intangible Assets [Line Items]
Intangible assets subject to acquisition	2,500
Amortization expense for the first year	200
Caprock [Member] | Customer Relationship [Member]
Intangible Assets [Line Items]
Intangible assets subject to acquisition	$ 2,400
Estimated intangible assets useful life	12 years
Caprock [Member] | Trade Name [Member]
Intangible Assets [Line Items]
Intangible assets subject to acquisition	$ 100
Estimated intangible assets useful life	1 year
Autocam Precision Components Group [Member]
Intangible Assets [Line Items]
Amortization expense for the first year	$ 3,500
Restructuring and impairment charges			$ 900
Amortization expense for the year two	3,500
Amortization expense for the year three	3,500
Amortization expense for the year four	3,500
Amortization expense for the year five	3,500
Autocam Precision Components Group [Member] | Customer Contracts [Member]
Intangible Assets [Line Items]
Intangible assets subject to acquisition	$ 46,200
Autocam Precision Components Group [Member] | Customer Relationship [Member]
Intangible Assets [Line Items]
Estimated intangible assets useful life	15 years
Autocam Precision Components Group [Member] | Trade Name [Member]
Intangible Assets [Line Items]
Intangible assets subject to acquisition	$ 4,100
Estimated intangible assets useful life	15 years
Autocam Precision Components Group [Member] | Developed Technology [Member]
Intangible Assets [Line Items]
Intangible assets subject to acquisition	$ 900
Estimated intangible assets useful life	5 years
Autocam Precision Components Group [Member] | Leasehold Intangibles [Member]
Intangible Assets [Line Items]
Intangible assets subject to acquisition	$ 400
Estimated intangible assets useful life	5 years
Autocam Precision Components Group [Member] | Whirlaway [Member]
Intangible Assets [Line Items]
Finite lived intangible asset not subject to amortization			$ 900
Precision Bearing Components Group [Member] | Customer Contracts [Member]
Intangible Assets [Line Items]
Intangible assets subject to acquisition	$ 2,700
Estimated intangible assets useful life	10 years
Amortization expense	$ 300
Customer contract intangible assets related to the acquisition of RKF and Chelsea | Contracts	2