Senior Notes' Guarantor and Non-Guarantor Financial Information - Schedule of Condensed Consolidating Balance Sheets (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 27, 2014	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Current assets:
Cash	$ 13,215	$ 14,917	$ 27,431	$ 42,790
Accounts receivable, net	141,302	99,337
Cost and estimated earnings in excess of billings	10,174	10,767
Inventories	111,553	96,432
Other current assets	17,172	13,181
Total current assets	293,416	234,634
Property, plant and equipment, net	950,601	831,778
Goodwill	419,270	127,038	179,120
Intangible assets, net	17,647	15,147
Other assets	48,843	39,197
Total assets	1,729,777	1,247,794	1,284,479
Current liabilities:
Current portion of debt	5,275	30,220
Current portion of acquisition-related liabilities	18,402	10,635
Accounts payable	78,854	72,104
Accrued expenses	101,496	57,251
Billings in excess of costs and estimated earnings	8,958	9,263
Total current liabilities	212,985	179,473
Long-term debt	1,059,642	658,767
Acquisition-related liabilities	42,736	23,756
Other noncurrent liabilities	93,691	77,480
Total liabilities	1,409,054	939,476
Redeemable noncontrolling interest	33,740	24,767
Total member's interest	286,983	283,551
Total liabilities, redeemable noncontrolling interest and member's interest	1,729,777	1,247,794
Issuers [Member]
Current assets:
Cash	10,837	10,375
Accounts receivable, net	1
Intercompany receivables	376,344	38,134
Other current assets	7,148	750
Total current assets	394,330	49,259
Property, plant and equipment, net	7,035	3,969
Other assets	1,153,204	296,494
Total assets	1,554,569	349,722
Current liabilities:
Current portion of debt	5,275	26,010
Current portion of acquisition-related liabilities	166	2,000
Accounts payable	3,655	5,455
Accrued expenses	37,101	12,041
Intercompany payables	162,728
Total current liabilities	208,925	45,506
Long-term debt	1,059,642	19,587
Acquisition-related liabilities		85
Other noncurrent liabilities	796	959
Total liabilities	1,269,363	66,137
Total member's interest	285,206	283,585
Total liabilities, redeemable noncontrolling interest and member's interest	1,554,569	349,722
Non-Wholly-Owned Guarantor [Member]
Current assets:
Cash	2	9	397	8
Accounts receivable, net	6,629	4,587
Intercompany receivables	4,095	3,433
Inventories	8,696	10,402
Other current assets	464	444
Total current assets	19,886	18,875
Property, plant and equipment, net	302,524	301,908
Goodwill	23,124	23,124
Intangible assets, net	542	642
Other assets	25,233	17,973
Total assets	371,309	362,522
Current liabilities:
Current portion of debt	1,273	1,018
Accounts payable	6,845	9,387
Accrued expenses	10,178	9,185
Intercompany payables	4,052
Total current liabilities	22,348	19,590
Long-term debt	153,318	154,590
Other noncurrent liabilities	24,787	20,306
Total liabilities	200,453	194,486
Redeemable members' interest	34,543	23,450
Total member's interest	136,313	144,586
Total liabilities, redeemable noncontrolling interest and member's interest	371,309	362,522
Wholly-Owned Guarantors [Member]
Current assets:
Cash	695	3,442	30,981	33,997
Accounts receivable, net	124,380	93,102
Intercompany receivables	30,539	30,787
Cost and estimated earnings in excess of billings	9,819	10,539
Inventories	98,188	85,372
Other current assets	9,638	11,715
Total current assets	273,259	234,957
Property, plant and equipment, net	610,717	518,935
Goodwill	340,969	102,942
Intangible assets, net	14,245	14,505
Other assets	125,462	37,535
Total assets	1,364,652	908,874
Current liabilities:
Current portion of debt	3,990	3,192
Current portion of acquisition-related liabilities	18,236	8,635
Accounts payable	65,018	57,142
Accrued expenses	59,477	37,342
Intercompany payables	245,416	71,556
Billings in excess of costs and estimated earnings	8,931	8,837
Total current liabilities	401,068	186,704
Long-term debt	480,599	484,590
Acquisition-related liabilities	42,736	23,671
Other noncurrent liabilities	65,479	56,215
Total liabilities	989,882	751,180
Total member's interest	374,770	157,694
Total liabilities, redeemable noncontrolling interest and member's interest	1,364,652	908,874
Non-Guarantors [Member]
Current assets:
Cash	8,793	3,631	680	2,084
Accounts receivable, net	11,525	3,100
Intercompany receivables	4,052
Cost and estimated earnings in excess of billings	355	228
Inventories	4,669	658
Other current assets	1,775	272
Total current assets	31,169	7,889
Property, plant and equipment, net	30,325	6,966
Goodwill	55,177	972
Intangible assets, net	2,860
Other assets	1,362	1,303
Total assets	120,893	17,130
Current liabilities:
Accounts payable	4,569	1,572
Accrued expenses	3,705	1,223
Intercompany payables	2,834	798
Billings in excess of costs and estimated earnings	27	426
Total current liabilities	11,135	4,019
Other noncurrent liabilities	57,736
Total liabilities	68,871	4,019
Total member's interest	52,022	13,111
Total liabilities, redeemable noncontrolling interest and member's interest	120,893	17,130
Eliminations [Member]
Current assets:
Cash	(7,112)	(2,540)	(5,324)
Accounts receivable, net	(1,233)	(1,452)
Intercompany receivables	(415,030)	(72,354)
Other current assets	(1,853)
Total current assets	(425,228)	(76,346)
Other assets	(1,256,418)	(314,108)
Total assets	(1,681,646)	(390,454)
Current liabilities:
Current portion of debt	(5,263)
Accounts payable	(1,233)	(1,452)
Accrued expenses	(8,965)	(2,540)
Intercompany payables	(415,030)	(72,354)
Total current liabilities	(430,491)	(76,346)
Long-term debt	(633,917)
Other noncurrent liabilities	(55,107)
Total liabilities	(1,119,515)	(76,346)
Redeemable noncontrolling interest	33,740	24,767
Redeemable members' interest	(34,543)	(23,450)
Total member's interest	(561,328)	(315,425)
Total liabilities, redeemable noncontrolling interest and member's interest	$ (1,681,646)	$ (390,454)