Acquisitions - Additional Information (Detail)								1 Months Ended	2 Months Ended	3 Months Ended								12 Months Ended
	Oct. 20, 2015 USD ($)	Oct. 19, 2015 USD ($)	May. 29, 2015 USD ($)	Aug. 29, 2014 USD ($)	Jul. 15, 2014 USD ($)	Jun. 20, 2014 USD ($)	Jan. 30, 2014 USD ($)	Sep. 30, 2014 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2015 USD ($)	Sep. 30, 2015 USD ($)	Jun. 30, 2015 USD ($)	Mar. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Sep. 30, 2014 USD ($)	Jun. 30, 2014 USD ($)	Mar. 31, 2014 USD ($)	Dec. 31, 2015 USD ($) Business	Dec. 31, 2014 USD ($) Business	Aug. 17, 2015 USD ($)	Dec. 31, 2013 USD ($)
Business Acquisition [Line Items]
Line of credit facility, Maximum borrowing capacity				$ 100,000,000
Line of credit facility, Additional borrowing feature, amount									$ 100,000,000	$ 100,000,000								$ 100,000,000
Debt instrument interest rate stated percentage									0.00%	0.00%								0.00%
Business acquisition, transaction costs																		$ 8,700,000	$ 9,400,000
Business combinations net income during period from acquired business										$ (25,015,000)	$ 4,630,000	$ 6,953,000	$ 6,001,000	$ 1,619,000	$ (3,840,000)	$ 5,200,000	$ 5,238,000
Purchase price allocation, property plant and equipment									$ 59,100,000	59,100,000				168,500,000				59,100,000	168,500,000
Purchase price allocation, goodwill									449,898,000	449,898,000				83,941,000				449,898,000	83,941,000		$ 8,624,000
Payments to Acquire Businesses														21,000,000					21,000,000
Business acquisition, transaction costs														1,200,000					1,200,000
Non-controlling interest																			(32,000)
Acquisitions, net of cash acquired																		$ 628,281,000	$ 257,664,000
Number of businesses acquired | Business																		2	4
Payment for acquisition of non-controlling interest																			$ 2,528,000
Goodwill acquired in acquisition																		$ 366,795,000	76,486,000
Senior Notes Due 2020 [Member]
Business Acquisition [Line Items]
Debt instrument face amount									$ 250,000,000	$ 250,000,000								$ 250,000,000
Debt instrument interest rate stated percentage									10.25%	10.25%								10.25%
Term loan facility									$ 244,509,000	$ 244,509,000								$ 244,509,000
Precision Bearing Components Segment [Member]
Business Acquisition [Line Items]
Purchase price allocation, goodwill									9,111,000	9,111,000				9,949,000				9,111,000	9,949,000		$ 8,624,000
Goodwill acquired in acquisition																			2,494,000
Autocam Precision Components Group [Member]
Business Acquisition [Line Items]
Purchase price allocation, goodwill									73,992,000	73,992,000				73,992,000				$ 73,992,000	73,992,000
Goodwill acquired in acquisition																			73,992,000
Autocam [Member]
Business Acquisition [Line Items]
Business acquisition, transaction costs																			3,800,000
Increase in cost of sales															1,200,000				1,200,000
Business combinations revenue during period from acquired business								$ 80,800,000											80,800,000
Business combinations net income during period from acquired business								3,700,000											3,700,000
Date of acquisition																		Aug. 29, 2014
Payments to acquire				256,800,000
Business acquisition, debt and capital lease obligations				29,800,000
Business acquisition, consideration transferred in shares of common stock				$ 31,700,000
Term loan facility									350,000,000	350,000,000								$ 350,000,000
Purchase price allocation, property plant and equipment								146,120,000						153,185,000	146,120,000				153,185,000
Intangible assets subject to acquisition								51,098,000						51,660,000	51,098,000				51,660,000
Purchase price allocation, goodwill								77,548,000						73,992,000	77,548,000				73,992,000
Payments to Acquire Businesses								401,060,000						407,847,000	401,060,000				407,847,000
Net assets acquired								$ 288,554,000						$ 288,554,000	288,554,000				288,554,000
Autocam [Member] | Twelve Month [Member]
Business Acquisition [Line Items]
Business acquisition, transaction costs																			6,900,000
Business acquisition, deferred financing costs write off																			3,000,000
Increase in cost of sales																			1,200,000
RFK and Chelsea [Member] | Precision Bearing Components Segment [Member]
Business Acquisition [Line Items]
Goodwill acquired in acquisition																		2,500,000
RFK and Chelsea [Member] | Customer Contracts and Trade Names [Member]
Business Acquisition [Line Items]
Intangible assets subject to acquisition									2,700,000	2,700,000								$ 2,700,000
Finite-lived intangible assets, weighted-average useful life																		11 years
Chelsea Grinding [Member]
Business Acquisition [Line Items]
Date of acquisition																		Jul. 15, 2014
Payments to acquire					$ 3,100,000
Revenue during period from acquired business					$ 1,100,000
RFK [Member]
Business Acquisition [Line Items]
Business combinations revenue during period from acquired business																			5,100,000
Business combinations net income during period from acquired business																			200,000
Date of acquisition																		Jun. 20, 2014
Payments to acquire						$ 9,800,000									$ 2,500,000
Percentage of shares acquired						79.20%
Non-controlling interest																			$ 32,000
Percentage of shares owned by non controlling owners														0.30%					0.30%
RFK [Member] | Maximum [Member]
Business Acquisition [Line Items]
Percentage of shares acquired								99.70%							99.70%
V-S [Member]
Business Acquisition [Line Items]
Business combinations revenue during period from acquired business																			$ 14,700,000
Business combinations net income during period from acquired business																			(1,000,000)
Date of acquisition																		Jan. 30, 2014
Acquisitions, net of cash acquired							$ 5,600,000											$ 260,200,000
Liabilities assumed							$ 3,000,000
Integration costs net of tax																			$ 500,000
Number of businesses acquired | Business																		4
Net assets acquired									277,800,000	277,800,000								$ 277,800,000
Net cash received in the acquisition																		17,600,000
Payment for acquisition of non-controlling interest																		2,500,000
V-S [Member] | Autocam Precision Components Group [Member]
Business Acquisition [Line Items]
Net assets acquired									256,800,000	256,800,000								256,800,000
V-S [Member] | Other Segments [Member]
Business Acquisition [Line Items]
Net assets acquired									21,000,000	21,000,000								21,000,000
PEP [Member]
Business Acquisition [Line Items]
Outstanding capital stock acquired, value																				$ 621,200,000
Business acquisition, transaction costs																		12,300,000
Increase in cost of sales										4,300,000								4,300,000
Business combinations revenue during period from acquired business	$ 40,700,000																	40,700,000
Business combinations net income during period from acquired business	$ (2,600,000)																	(2,600,000)
Amortization of backlog intangibles									5,200,000									19,700,000
Purchase price allocation, property plant and equipment		$ 56,163,000
Intangible assets subject to acquisition		240,490,000
Purchase price allocation, goodwill		364,450,000
Payments to Acquire Businesses		731,934,000
Net assets acquired		621,196,000
PEP [Member] | New Term Loan Credit Facility [Member]
Business Acquisition [Line Items]
Line of credit facility, Maximum borrowing capacity		$ 525,000,000
Line of credit facility, Expiration period		7 years
PEP [Member] | New Senior Secured Revolving Credit Facility [Member]
Business Acquisition [Line Items]
Line of credit facility, Expiration period		5 years
Line of credit facility, Additional borrowing feature, amount		$ 100,000,000
PEP [Member] | Senior Notes Due 2020 [Member]
Business Acquisition [Line Items]
Debt instrument face amount		$ 300,000,000
Debt instrument interest rate stated percentage		10.25%
PEP [Member] | Twelve Month [Member]
Business Acquisition [Line Items]
Business acquisition, transaction costs																		8,700,000
Business acquisition, deferred financing costs write off																		$ 18,700,000
Caprock [Member]
Business Acquisition [Line Items]
Date of acquisition																		May 29, 2015
Payments to acquire			$ 9,100,000
Purchase price allocation, net working capital			1,300,000
Purchase price allocation, property plant and equipment			3,000,000
Intangible assets subject to acquisition			2,500,000						$ 2,500,000	$ 2,500,000								$ 2,500,000
Purchase price allocation, goodwill			$ 2,300,000