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Condensed Consolidating Financial Statements - Condensed Consolidating Statement of Cash Flows (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Condensed Cash Flow Statements, Captions [Line Items] |  |  |
Net cash provided (used) by Operating activities | $ 133,743 | $ 99,577 | $ 173,635
Investing activities |  |  |
Expenditures for plant, equipment and timberlands | (99,889) | (66,046) | (103,047)
Proceeds from disposal plant, equipment and timberlands, net | 24,459 | 5,072 | 1,947
Acquisitions, net of cash acquired | (224) | (8,015) | (210,911)
Other | (1,600) | (600) | (425)
Net cash used by investing activities | (77,254) | (69,589) | (312,436)
Financing activities |  |  |
Net (repayments of) proceeds from indebtedness | (24,650) | (18,128) | 182,230
Payments of note offering costs | (1,329) |  | (419)
Payment of dividends to shareholders | (20,443) | (18,696) | (16,965)
Repurchases of common stock |  | (12,180) |
Payments related to share-based compensation awards and other | (1,594) | (1,877) | (1,671)
Payments related to share-based compensation awards and other |  |  | (1,671)
Net cash (used) provided by financing activities | (48,016) | (50,881) | 163,175
Effect of exchange rate on cash | (3,006) | (2,152) | 829
Net increase (decrease) in cash | 5,467 | (23,045) | 25,203
Cash and cash equivalents at the beginning of period | 99,837 | 122,882 | 97,679
Cash and cash equivalents at the end of period | 105,304 | 99,837 | 122,882
Adjustments/ Eliminations [Member] |  |  |
Investing activities |  |  |
Repayments from intercompany loans | (57,855) | (20,840) | (18,223)
Advances of intercompany loans | 49,230 | 39,011 | 27,216
Intercompany capital (contributed) returned | (9,800) |  |
Intercompany capital contributed, net |  |  | 91
Net cash used by investing activities | (18,425) | 18,171 | 9,084
Financing activities |  |  |
Repayments of intercompany loans | 57,855 | 20,840 | 18,223
Borrowings of intercompany loans | (49,230) | (39,011) | (27,216)
Intercompany capital (returned) received | 9,800 |  |
Intercompany capital received |  |  | (91)
Net cash (used) provided by financing activities | 18,425 | (18,171) | (9,084)
Parent Company [Member] |  |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |  |
Net cash provided (used) by Operating activities | 34,391 | 36,240 | 55,507
Investing activities |  |  |
Expenditures for plant, equipment and timberlands | (65,265) | (34,518) | (39,496)
Proceeds from disposal plant, equipment and timberlands, net | 22,741 | 3,707 | 1,435
Advances of intercompany loans |  | (12,671) |
Intercompany capital (contributed) returned | 10,100 |  |
Other | (1,600) | (600) | (425)
Net cash used by investing activities | (34,024) | (44,082) | (38,486)
Financing activities |  |  |
Payments of note offering costs | (1,329) |  | (160)
Payment of dividends to shareholders | (20,443) | (18,696) | (16,965)
Repurchases of common stock |  | (12,180) |
Repayments of intercompany loans | (9,158) |  | (1,100)
Borrowings of intercompany loans | 49,230 | 26,340 | 15,310
Payments related to share-based compensation awards and other | (1,745) | (1,630) |
Payments related to share-based compensation awards and other |  |  | (1,671)
Net cash (used) provided by financing activities | 16,555 | (6,166) | (4,586)
Net increase (decrease) in cash | 16,922 | (14,008) | 12,435
Cash and cash equivalents at the beginning of period | 42,208 | 56,216 | 43,781
Cash and cash equivalents at the end of period | 59,130 | 42,208 | 56,216
Guarantors [Member] |  |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |  |
Net cash provided (used) by Operating activities | 627 | 4,159 | 4,977
Investing activities |  |  |
Expenditures for plant, equipment and timberlands | (109) |  |
Proceeds from disposal plant, equipment and timberlands, net | 1,213 | 1,355 | 333
Repayments from intercompany loans | 57,855 | 20,840 | 18,223
Advances of intercompany loans | (49,230) | (26,340) | (27,216)
Intercompany capital (contributed) returned | (300) |  |
Intercompany capital contributed, net |  |  | (91)
Net cash used by investing activities | 9,429 | (4,145) | (8,751)
Financing activities |  |  |
Intercompany capital (returned) received | (10,100) |  |
Net cash (used) provided by financing activities | (10,100) |  |
Net increase (decrease) in cash | (44) | 14 | (3,774)
Cash and cash equivalents at the beginning of period | 509 | 495 | 4,269
Cash and cash equivalents at the end of period | 465 | 509 | 495
Non Guarantors [Member] |  |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |  |
Net cash provided (used) by Operating activities | 98,725 | 59,178 | 113,151
Investing activities |  |  |
Expenditures for plant, equipment and timberlands | (34,515) | (31,528) | (63,551)
Proceeds from disposal plant, equipment and timberlands, net | 505 | 10 | 179
Acquisitions, net of cash acquired | (224) | (8,015) | (210,911)
Net cash used by investing activities | (34,234) | (39,533) | (274,283)
Financing activities |  |  |
Net (repayments of) proceeds from indebtedness | (24,650) | (18,128) | 182,230
Payments of note offering costs |  |  | (259)
Repayments of intercompany loans | (48,697) | (20,840) | (17,123)
Borrowings of intercompany loans |  | 12,671 | 11,906
Intercompany capital (returned) received | 300 |  |
Intercompany capital received |  |  | 91
Payments related to share-based compensation awards and other | 151 | (247) |
Net cash (used) provided by financing activities | (72,896) | (26,544) | 176,845
Effect of exchange rate on cash | (3,006) | (2,152) | 829
Net increase (decrease) in cash | (11,411) | (9,051) | 16,542
Cash and cash equivalents at the beginning of period | 57,120 | 66,171 | 49,629
Cash and cash equivalents at the end of period | $ 45,709 | $ 57,120 | $ 66,171

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